diff options
Diffstat (limited to 'drivers')
570 files changed, 4095 insertions, 2878 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index e54e6170981b..a17337fd8f37 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -704,8 +704,13 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, } switch (action) { - case BUS_NOTIFY_ADD_DEVICE: + case BUS_NOTIFY_BOUND_DRIVER: pdev->dev.pm_domain = &acpi_lpss_pm_domain; + break; + case BUS_NOTIFY_UNBOUND_DRIVER: + pdev->dev.pm_domain = NULL; + break; + case BUS_NOTIFY_ADD_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) return sysfs_create_group(&pdev->dev.kobj, &lpss_attr_group); @@ -713,7 +718,6 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, case BUS_NOTIFY_DEL_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) sysfs_remove_group(&pdev->dev.kobj, &lpss_attr_group); - pdev->dev.pm_domain = NULL; break; default: break; diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 4c2836dc825b..47d8a85c90ff 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -502,10 +502,6 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) (u8)access_byte_width; } } - /* An additional reference for the container */ - - acpi_ut_add_reference(obj_desc->field.region_obj); - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n", obj_desc->field.start_field_bit_offset, diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 1638312e3d8f..9f8b088e21d7 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -590,11 +590,6 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) next_object = object->buffer_field.buffer_obj; break; - case ACPI_TYPE_LOCAL_REGION_FIELD: - - next_object = object->field.region_obj; - break; - case ACPI_TYPE_LOCAL_BANK_FIELD: next_object = object->bank_field.bank_obj; @@ -635,6 +630,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) } break; + case ACPI_TYPE_LOCAL_REGION_FIELD: case ACPI_TYPE_REGION: default: diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 829b20a3bb0a..a47fa31d7afd 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -170,7 +170,7 @@ int acpi_device_set_power(struct acpi_device *device, int state) * possibly drop references to the power resources in use. */ state = ACPI_STATE_D3_HOT; - /* If _PR3 is not available, use D3hot as the target state. */ + /* If D3cold is not supported, use D3hot as the target state. */ if (!device->power.states[ACPI_STATE_D3_COLD].flags.valid) target_state = state; } else if (!device->power.states[state].flags.valid) { @@ -225,13 +225,13 @@ int acpi_device_set_power(struct acpi_device *device, int state) end: if (result) { dev_warn(&device->dev, "Failed to change power state to %s\n", - acpi_power_state_string(state)); + acpi_power_state_string(target_state)); } else { device->power.state = target_state; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] transitioned to %s\n", device->pnp.bus_id, - acpi_power_state_string(state))); + acpi_power_state_string(target_state))); } return result; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index dcb3d6245ca5..2ab4568aaddd 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -907,12 +907,9 @@ static void acpi_bus_init_power_state(struct acpi_device *device, int state) if (buffer.length && package && package->type == ACPI_TYPE_PACKAGE - && package->package.count) { - int err = acpi_extract_power_resources(package, 0, - &ps->resources); - if (!err) - device->power.flags.power_resources = 1; - } + && package->package.count) + acpi_extract_power_resources(package, 0, &ps->resources); + ACPI_FREE(buffer.pointer); } @@ -959,14 +956,27 @@ static void acpi_bus_get_power_flags(struct acpi_device *device) acpi_bus_init_power_state(device, i); INIT_LIST_HEAD(&device->power.states[ACPI_STATE_D3_COLD].resources); - if (!list_empty(&device->power.states[ACPI_STATE_D3_HOT].resources)) - device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1; - /* Set defaults for D0 and D3hot states (always valid) */ + /* Set the defaults for D0 and D3hot (always supported). */ device->power.states[ACPI_STATE_D0].flags.valid = 1; device->power.states[ACPI_STATE_D0].power = 100; device->power.states[ACPI_STATE_D3_HOT].flags.valid = 1; + /* + * Use power resources only if the D0 list of them is populated, because + * some platforms may provide _PR3 only to indicate D3cold support and + * in those cases the power resources list returned by it may be bogus. + */ + if (!list_empty(&device->power.states[ACPI_STATE_D0].resources)) { + device->power.flags.power_resources = 1; + /* + * D3cold is supported if the D3hot list of power resources is + * not empty. + */ + if (!list_empty(&device->power.states[ACPI_STATE_D3_HOT].resources)) + device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1; + } + if (acpi_bus_init_power(device)) device->flags.power_manageable = 0; } diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 4b3a9e27f1b6..13c308323e94 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -776,13 +776,13 @@ static void __exit interrupt_stats_exit(void) } static ssize_t -acpi_show_profile(struct device *dev, struct device_attribute *attr, +acpi_show_profile(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { return sprintf(buf, "%d\n", acpi_gbl_FADT.preferred_profile); } -static const struct device_attribute pm_profile_attr = +static const struct kobj_attribute pm_profile_attr = __ATTR(pm_profile, S_IRUGO, acpi_show_profile, NULL); static ssize_t hotplug_enabled_show(struct kobject *kobj, @@ -831,8 +831,10 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, error = kobject_init_and_add(&hotplug->kobj, &acpi_hotplug_profile_ktype, hotplug_kobj, "%s", name); - if (error) + if (error) { + kobject_put(&hotplug->kobj); goto err_out; + } kobject_uevent(&hotplug->kobj, KOBJ_ADD); return; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 8c5503c0bad7..0936b68eff80 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -289,17 +289,6 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L702X"), }, }, - { - /* https://bugzilla.redhat.com/show_bug.cgi?id=1204476 */ - /* https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1416940 */ - .callback = video_detect_force_native, - .ident = "HP Pavilion dv6", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6 Notebook PC"), - }, - }, - { }, }; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 39e458b3c532..3bc5a7caccbf 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -1415,6 +1415,10 @@ static void binder_transaction(struct binder_proc *proc, return_error = BR_DEAD_REPLY; goto err_dead_binder; } + if (WARN_ON(proc == target_proc)) { + return_error = BR_FAILED_REPLY; + goto err_invalid_target_handle; + } if (security_binder_transaction(proc->tsk, target_proc->tsk) < 0) { return_error = BR_FAILED_REPLY; @@ -1812,6 +1816,11 @@ static int binder_thread_write(struct binder_proc *proc, ptr += sizeof(uint32_t); if (target == 0 && binder_context_mgr_node && (cmd == BC_INCREFS || cmd == BC_ACQUIRE)) { + if (binder_context_mgr_node->proc == proc) { + binder_user_error("%d:%d context manager tried to acquire desc 0\n", + proc->pid, thread->pid); + return -EINVAL; + } ref = binder_get_ref_for_node(proc, binder_context_mgr_node); if (ref->desc != target) { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index fc4bf8ff40ea..17cebfe5acc8 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -56,7 +56,6 @@ #include <linux/workqueue.h> #include <linux/scatterlist.h> #include <linux/io.h> -#include <linux/async.h> #include <linux/log2.h> #include <linux/slab.h> #include <linux/glob.h> @@ -6222,7 +6221,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) /* perform each probe asynchronously */ for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; - async_schedule(async_port_probe, ap); + ap->cookie = async_schedule(async_port_probe, ap); } return 0; @@ -6355,11 +6354,11 @@ void ata_host_detach(struct ata_host *host) { int i; - /* Ensure ata_port probe has completed */ - async_synchronize_full(); - - for (i = 0; i < host->n_ports; i++) + for (i = 0; i < host->n_ports; i++) { + /* Ensure ata_port probe has completed */ + async_synchronize_cookie(host->ports[i]->cookie + 1); ata_port_detach(host->ports[i]); + } /* the host is dead now, dissociate ACPI */ ata_acpi_dissociate(host); diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c index 902034991517..7a7faca0ddcd 100644 --- a/drivers/ata/sata_dwc_460ex.c +++ b/drivers/ata/sata_dwc_460ex.c @@ -924,15 +924,13 @@ static void sata_dwc_exec_command_by_tag(struct ata_port *ap, struct ata_taskfile *tf, u8 tag, u32 cmd_issued) { - unsigned long flags; struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap); dev_dbg(ap->dev, "%s cmd(0x%02x): %s tag=%d\n", __func__, tf->command, ata_get_cmd_descript(tf->command), tag); - spin_lock_irqsave(&ap->host->lock, flags); hsdevp->cmd_issued[tag] = cmd_issued; - spin_unlock_irqrestore(&ap->host->lock, flags); + /* * Clear SError before executing a new command. * sata_dwc_scr_write and read can not be used here. Clearing the PM diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c index 480fa6ffbc09..04fca6db273e 100644 --- a/drivers/atm/atmtcp.c +++ b/drivers/atm/atmtcp.c @@ -432,9 +432,15 @@ static int atmtcp_remove_persistent(int itf) return -EMEDIUMTYPE; } dev_data = PRIV(dev); - if (!dev_data->persist) return 0; + if (!dev_data->persist) { + atm_dev_put(dev); + return 0; + } dev_data->persist = 0; - if (PRIV(dev)->vcc) return 0; + if (PRIV(dev)->vcc) { + atm_dev_put(dev); + return 0; + } kfree(dev_data); atm_dev_put(dev); atm_dev_deregister(dev); diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 04b39d0da868..70708608ab1e 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1009,6 +1009,7 @@ static int fs_open(struct atm_vcc *atm_vcc) error = make_rate (pcr, r, &tmc0, NULL); if (error) { kfree(tc); + kfree(vcc); return error; } } diff --git a/drivers/base/core.c b/drivers/base/core.c index 64b59552e744..ddc9dd971674 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2344,17 +2344,21 @@ static inline bool fwnode_is_primary(struct fwnode_handle *fwnode) */ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) { - if (fwnode) { - struct fwnode_handle *fn = dev->fwnode; + struct fwnode_handle *fn = dev->fwnode; + if (fwnode) { if (fwnode_is_primary(fn)) fn = fn->secondary; fwnode->secondary = fn; dev->fwnode = fwnode; } else { - dev->fwnode = fwnode_is_primary(dev->fwnode) ? - dev->fwnode->secondary : NULL; + if (fwnode_is_primary(fn)) { + dev->fwnode = fn->secondary; + fn->secondary = NULL; + } else { + dev->fwnode = NULL; + } } } EXPORT_SYMBOL_GPL(set_primary_fwnode); diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 9666effc0799..919043e7cc76 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -549,6 +549,12 @@ ssize_t __weak cpu_show_itlb_multihit(struct device *dev, return sprintf(buf, "Not affected\n"); } +ssize_t __weak cpu_show_srbds(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "Not affected\n"); +} + static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL); static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL); @@ -557,6 +563,7 @@ static DEVICE_ATTR(l1tf, 0444, cpu_show_l1tf, NULL); static DEVICE_ATTR(mds, 0444, cpu_show_mds, NULL); static DEVICE_ATTR(tsx_async_abort, 0444, cpu_show_tsx_async_abort, NULL); static DEVICE_ATTR(itlb_multihit, 0444, cpu_show_itlb_multihit, NULL); +static DEVICE_ATTR(srbds, 0444, cpu_show_srbds, NULL); static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_meltdown.attr, @@ -567,6 +574,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = { &dev_attr_mds.attr, &dev_attr_tsx_async_abort.attr, &dev_attr_itlb_multihit.attr, + &dev_attr_srbds.attr, NULL }; diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index ccfd268148a8..3bf1cdee8f49 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -1119,15 +1119,17 @@ static int _request_firmware(const struct firmware **firmware_p, const char *name, struct device *device, unsigned int opt_flags) { - struct firmware *fw; + struct firmware *fw = NULL; long timeout; int ret; if (!firmware_p) return -EINVAL; - if (!name || name[0] == '\0') - return -EINVAL; + if (!name || name[0] == '\0') { + ret = -EINVAL; + goto out; + } ret = _request_firmware_prepare(&fw, name, device); if (ret <= 0) /* error or already assigned */ diff --git a/drivers/base/isa.c b/drivers/base/isa.c index 901d8185309e..372d10af2600 100644 --- a/drivers/base/isa.c +++ b/drivers/base/isa.c @@ -180,4 +180,4 @@ static int __init isa_bus_init(void) return error; } -device_initcall(isa_bus_init); +postcore_initcall(isa_bus_init); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 065fcc4be263..f89cb143f1cd 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -638,6 +638,8 @@ int __init_or_module __platform_driver_probe(struct platform_driver *drv, /* temporary section violation during probe() */ drv->probe = probe; retval = code = __platform_driver_register(drv, module); + if (retval) + return retval; /* * Fixup that section violation, being paranoid about code scanning diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 8efdb823826c..79724fd0a898 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1361,13 +1361,17 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) } /* - * If a device configured to wake up the system from sleep states - * has been suspended at run time and there's a resume request pending - * for it, this is equivalent to the device signaling wakeup, so the - * system suspend operation should be aborted. + * Wait for possible runtime PM transitions of the device in progress + * to complete and if there's a runtime resume request pending for it, + * resume it before proceeding with invoking the system-wide suspend + * callbacks for it. + * + * If the system-wide suspend callbacks below change the configuration + * of the device, they must disable runtime PM for it or otherwise + * ensure that its runtime-resume callbacks will not be confused by that + * change in case they are invoked going forward. */ - if (pm_runtime_barrier(dev) && device_may_wakeup(dev)) - pm_wakeup_event(dev, 0); + pm_runtime_barrier(dev); if (pm_wakeup_pending()) { dev->power.direct_complete = false; diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 3f0a7e262d69..ad5712f68c3e 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -194,6 +194,9 @@ static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from, if (*ppos < 0 || !count) return -EINVAL; + if (count > (PAGE_SIZE << (MAX_ORDER - 1))) + count = PAGE_SIZE << (MAX_ORDER - 1); + buf = kmalloc(count, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -342,6 +345,9 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file, if (*ppos < 0 || !count) return -EINVAL; + if (count > (PAGE_SIZE << (MAX_ORDER - 1))) + count = PAGE_SIZE << (MAX_ORDER - 1); + buf = kmalloc(count, GFP_KERNEL); if (!buf) return -ENOMEM; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 77cabde977ed..4a4efc6f54b5 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1106,7 +1106,7 @@ static int dev_get_regmap_match(struct device *dev, void *res, void *data) /* If the user didn't specify a name match any */ if (data) - return (*r)->name == data; + return !strcmp((*r)->name, data); else return 1; } diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index c120d70d3fb3..fc7a20286090 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -464,7 +464,6 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev) blk_queue_bounce_limit(queue, BLK_BOUNCE_HIGH); blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9); - blk_queue_segment_boundary(queue, -1UL); blk_queue_dma_alignment(queue, dev->blk_size-1); blk_queue_logical_block_size(queue, dev->blk_size); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index e0699a20859f..445ca973edd6 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3945,6 +3945,9 @@ static ssize_t rbd_image_refresh(struct device *dev, struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); int ret; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + ret = rbd_dev_refresh(rbd_dev); if (ret) return ret; @@ -5404,6 +5407,9 @@ static ssize_t do_rbd_add(struct bus_type *bus, bool read_only; int rc; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (!try_module_get(THIS_MODULE)) return -ENODEV; @@ -5548,6 +5554,9 @@ static ssize_t do_rbd_remove(struct bus_type *bus, bool already = false; int ret; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + ret = kstrtoul(buf, 10, &ul); if (ret) return ret; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 1e5cd39d0cc2..bdc3efacd0d2 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -757,6 +757,7 @@ out_put_disk: put_disk(vblk->disk); out_free_vq: vdev->config->del_vqs(vdev); + kfree(vblk->vqs); out_free_vblk: kfree(vblk); out_free_index: diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 71ea2a3af293..9c6843af1c6b 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -1112,7 +1112,8 @@ static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card) */ if (btmrvl_sdio_verify_fw_download(card, pollnum)) { BT_ERR("FW failed to be active in time!"); - return -ETIMEDOUT; + ret = -ETIMEDOUT; + goto done; } sdio_release_host(card->func); diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 76afc841232c..3d11f5adb355 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -303,8 +303,10 @@ static int intel_gtt_setup_scratch_page(void) if (intel_private.needs_dmar) { dma_addr = pci_map_page(intel_private.pcidev, page, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(intel_private.pcidev, dma_addr)) + if (pci_dma_mapping_error(intel_private.pcidev, dma_addr)) { + __free_page(page); return -EINVAL; + } intel_private.scratch_page_dma = dma_addr; } else diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c index 7ba0ae060d61..66115ef979b1 100644 --- a/drivers/char/hw_random/exynos-rng.c +++ b/drivers/char/hw_random/exynos-rng.c @@ -155,6 +155,14 @@ static int exynos_rng_probe(struct platform_device *pdev) return ret; } +static int exynos_rng_remove(struct platform_device *pdev) +{ + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + static int __maybe_unused exynos_rng_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -212,6 +220,7 @@ static struct platform_driver exynos_rng_driver = { .of_match_table = exynos_rng_dt_match, }, .probe = exynos_rng_probe, + .remove = exynos_rng_remove, }; module_platform_driver(exynos_rng_driver); diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index 44ce80606944..e278125ddf41 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -166,7 +166,7 @@ static int via_rng_init(struct hwrng *rng) /* Enable secondary noise source on CPUs where it is present. */ /* Nehemiah stepping 8 and higher */ - if ((c->x86_model == 9) && (c->x86_mask > 7)) + if ((c->x86_model == 9) && (c->x86_stepping > 7)) lo |= VIA_NOISESRC2; /* Esther */ diff --git a/drivers/char/random.c b/drivers/char/random.c index 661ed5ec546e..7bb1e423eb19 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -923,6 +923,7 @@ void add_interrupt_randomness(int irq, int irq_flags) fast_mix(fast_pool); add_interrupt_bench(cycles); + this_cpu_add(net_rand_state.s1, fast_pool->pool[cycles & 3]); if ((fast_pool->count < 64) && !time_after(now, fast_pool->last + HZ)) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 5e0e29ee31d1..226ccb7891d4 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2155,6 +2155,7 @@ static struct virtio_device_id id_table[] = { { VIRTIO_ID_CONSOLE, VIRTIO_DEV_ANY_ID }, { 0 }, }; +MODULE_DEVICE_TABLE(virtio, id_table); static unsigned int features[] = { VIRTIO_CONSOLE_F_SIZE, @@ -2167,6 +2168,7 @@ static struct virtio_device_id rproc_serial_id_table[] = { #endif { 0 }, }; +MODULE_DEVICE_TABLE(virtio, rproc_serial_id_table); static unsigned int rproc_serial_features[] = { }; @@ -2319,6 +2321,5 @@ static void __exit fini(void) module_init(init); module_exit(fini); -MODULE_DEVICE_TABLE(virtio, id_table); MODULE_DESCRIPTION("Virtio console driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 335322dc403f..9bc801f3a7ba 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -287,12 +287,14 @@ static void __init of_gpio_clk_setup(struct device_node *node, const char **parent_names; int i, num_parents; + num_parents = of_clk_get_parent_count(node); + if (num_parents < 0) + return; + data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) return; - num_parents = of_clk_get_parent_count(node); - parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL); if (!parent_names) return; diff --git a/drivers/clk/clk-multiplier.c b/drivers/clk/clk-multiplier.c index fe7806506bf3..e9fb8a111f71 100644 --- a/drivers/clk/clk-multiplier.c +++ b/drivers/clk/clk-multiplier.c @@ -54,14 +54,28 @@ static unsigned long __bestmult(struct clk_hw *hw, unsigned long rate, unsigned long *best_parent_rate, u8 width, unsigned long flags) { + struct clk_multiplier *mult = to_clk_multiplier(hw); unsigned long orig_parent_rate = *best_parent_rate; unsigned long parent_rate, current_rate, best_rate = ~0; unsigned int i, bestmult = 0; + unsigned int maxmult = (1 << width) - 1; + + if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { + bestmult = rate / orig_parent_rate; + + /* Make sure we don't end up with a 0 multiplier */ + if ((bestmult == 0) && + !(mult->flags & CLK_MULTIPLIER_ZERO_BYPASS)) + bestmult = 1; - if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) - return rate / *best_parent_rate; + /* Make sure we don't overflow the multiplier */ + if (bestmult > maxmult) + bestmult = maxmult; + + return bestmult; + } - for (i = 1; i < ((1 << width) - 1); i++) { + for (i = 1; i < maxmult; i++) { if (rate == orig_parent_rate * i) { /* * This is the best case for us if we have a diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index b134a8b15e2c..5fea58713293 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -218,22 +218,20 @@ static int xgene_clk_enable(struct clk_hw *hw) struct xgene_clk *pclk = to_xgene_clk(hw); unsigned long flags = 0; u32 data; - phys_addr_t reg; if (pclk->lock) spin_lock_irqsave(pclk->lock, flags); if (pclk->param.csr_reg != NULL) { pr_debug("%s clock enabled\n", clk_hw_get_name(hw)); - reg = __pa(pclk->param.csr_reg); /* First enable the clock */ data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_clk_offset); data |= pclk->param.reg_clk_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_clk_offset); - pr_debug("%s clock PADDR base %pa clk offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s clk offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_clk_offset, pclk->param.reg_clk_mask, data); @@ -243,8 +241,8 @@ static int xgene_clk_enable(struct clk_hw *hw) data &= ~pclk->param.reg_csr_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_csr_offset); - pr_debug("%s CSR RESET PADDR base %pa csr offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s csr offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_csr_offset, pclk->param.reg_csr_mask, data); } diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index 6addf8f58b97..cbecbd584624 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -76,9 +76,9 @@ static int clk_pllv3_prepare(struct clk_hw *hw) val = readl_relaxed(pll->base); if (pll->powerup_set) - val |= BM_PLL_POWER; + val |= pll->powerdown; else - val &= ~BM_PLL_POWER; + val &= ~pll->powerdown; writel_relaxed(val, pll->base); return clk_pllv3_wait_lock(pll); @@ -91,9 +91,9 @@ static void clk_pllv3_unprepare(struct clk_hw *hw) val = readl_relaxed(pll->base); if (pll->powerup_set) - val &= ~BM_PLL_POWER; + val &= ~pll->powerdown; else - val |= BM_PLL_POWER; + val |= pll->powerdown; writel_relaxed(val, pll->base); } diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index 95a4dd290f35..d7dd0417ef5e 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -270,7 +270,7 @@ static struct clk_pll gpll0 = { .l_reg = 0x21004, .m_reg = 0x21008, .n_reg = 0x2100c, - .config_reg = 0x21014, + .config_reg = 0x21010, .mode_reg = 0x21000, .status_reg = 0x2101c, .status_bit = 17, @@ -297,7 +297,7 @@ static struct clk_pll gpll1 = { .l_reg = 0x20004, .m_reg = 0x20008, .n_reg = 0x2000c, - .config_reg = 0x20014, + .config_reg = 0x20010, .mode_reg = 0x20000, .status_reg = 0x2001c, .status_bit = 17, @@ -324,7 +324,7 @@ static struct clk_pll gpll2 = { .l_reg = 0x4a004, .m_reg = 0x4a008, .n_reg = 0x4a00c, - .config_reg = 0x4a014, + .config_reg = 0x4a010, .mode_reg = 0x4a000, .status_reg = 0x4a01c, .status_bit = 17, @@ -351,7 +351,7 @@ static struct clk_pll bimc_pll = { .l_reg = 0x23004, .m_reg = 0x23008, .n_reg = 0x2300c, - .config_reg = 0x23014, + .config_reg = 0x23010, .mode_reg = 0x23000, .status_reg = 0x2301c, .status_bit = 17, diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index 2b289581d570..b513a2bbfcc5 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -41,8 +41,6 @@ static unsigned long rockchip_mmc_recalc(struct clk_hw *hw, #define ROCKCHIP_MMC_DEGREE_MASK 0x3 #define ROCKCHIP_MMC_DELAYNUM_OFFSET 2 #define ROCKCHIP_MMC_DELAYNUM_MASK (0xff << ROCKCHIP_MMC_DELAYNUM_OFFSET) -#define ROCKCHIP_MMC_INIT_STATE_RESET 0x1 -#define ROCKCHIP_MMC_INIT_STATE_SHIFT 1 #define PSECS_PER_SEC 1000000000000LL @@ -183,15 +181,6 @@ struct clk *rockchip_clk_register_mmc(const char *name, mmc_clock->reg = reg; mmc_clock->shift = shift; - /* - * Assert init_state to soft reset the CLKGEN - * for mmc tuning phase and degree - */ - if (mmc_clock->shift == ROCKCHIP_MMC_INIT_STATE_SHIFT) - writel(HIWORD_UPDATE(ROCKCHIP_MMC_INIT_STATE_RESET, - ROCKCHIP_MMC_INIT_STATE_RESET, - mmc_clock->shift), mmc_clock->reg); - clk = clk_register(NULL, &mmc_clock->hw); if (IS_ERR(clk)) goto err_free; diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 91c89ac193b9..77ae2d21c488 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -1708,7 +1708,8 @@ static struct samsung_gate_clock peric_gate_clks[] __initdata = { GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric", ENABLE_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_I2S1, "sclk_i2s1", "sclk_i2s1_peric", - ENABLE_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0), + ENABLE_SCLK_PERIC, 6, + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), GATE(CLK_SCLK_SPI2, "sclk_spi2", "sclk_spi2_peric", ENABLE_SCLK_PERIC, 5, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_SPI1, "sclk_spi1", "sclk_spi1_peric", ENABLE_SCLK_PERIC, diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c index c5eaa9d16247..9af2d0dcd6a0 100644 --- a/drivers/clk/sirf/clk-atlas6.c +++ b/drivers/clk/sirf/clk-atlas6.c @@ -137,7 +137,7 @@ static void __init atlas6_clk_init(struct device_node *np) for (i = pll1; i < maxclk; i++) { atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]); - BUG_ON(!atlas6_clks[i]); + BUG_ON(IS_ERR(atlas6_clks[i])); } clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu"); clk_register_clkdev(atlas6_clks[io], NULL, "io"); diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index 576cd0354d48..ccb324d97160 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -549,19 +549,20 @@ static int clk_fs660c32_vco_get_params(unsigned long input, return 0; } -static long quadfs_pll_fs660c32_round_rate(struct clk_hw *hw, unsigned long rate - , unsigned long *prate) +static long quadfs_pll_fs660c32_round_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long *prate) { struct stm_fs params; - if (!clk_fs660c32_vco_get_params(*prate, rate, ¶ms)) - clk_fs660c32_vco_get_rate(*prate, ¶ms, &rate); + if (clk_fs660c32_vco_get_params(*prate, rate, ¶ms)) + return rate; - pr_debug("%s: %s new rate %ld [sdiv=0x%x,md=0x%x,pe=0x%x,nsdiv3=%u]\n", + clk_fs660c32_vco_get_rate(*prate, ¶ms, &rate); + + pr_debug("%s: %s new rate %ld [ndiv=%u]\n", __func__, clk_hw_get_name(hw), - rate, (unsigned int)params.sdiv, - (unsigned int)params.mdiv, - (unsigned int)params.pe, (unsigned int)params.nsdiv); + rate, (unsigned int)params.ndiv); return rate; } diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 9c79af0c03b2..2cec9e83831f 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -311,7 +311,7 @@ static void sun6i_a31_get_pll1_factors(u32 *freq, u32 parent_rate, * Round down the frequency to the closest multiple of either * 6 or 16 */ - u32 round_freq_6 = round_down(freq_mhz, 6); + u32 round_freq_6 = rounddown(freq_mhz, 6); u32 round_freq_16 = round_down(freq_mhz, 16); if (round_freq_6 > round_freq_16) diff --git a/drivers/clk/ti/composite.c b/drivers/clk/ti/composite.c index dbef218fe5ec..14201c52b44b 100644 --- a/drivers/clk/ti/composite.c +++ b/drivers/clk/ti/composite.c @@ -228,6 +228,7 @@ cleanup: if (!cclk->comp_clks[i]) continue; list_del(&cclk->comp_clks[i]->link); + kfree(cclk->comp_clks[i]->parent_names); kfree(cclk->comp_clks[i]); } diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c index 0e9119fae760..fa53bf6bd041 100644 --- a/drivers/clk/ti/dpll3xxx.c +++ b/drivers/clk/ti/dpll3xxx.c @@ -437,7 +437,8 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw) parent = clk_hw_get_parent(hw); - if (clk_hw_get_rate(hw) == clk_get_rate(dd->clk_bypass)) { + if (clk_hw_get_rate(hw) == + clk_hw_get_rate(__clk_get_hw(dd->clk_bypass))) { WARN_ON(parent != __clk_get_hw(dd->clk_bypass)); r = _omap3_noncore_dpll_bypass(clk); } else { diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c index a19a3f619cc7..99e5fd59964b 100644 --- a/drivers/clocksource/dw_apb_timer_of.c +++ b/drivers/clocksource/dw_apb_timer_of.c @@ -134,16 +134,14 @@ static int num_called; static void __init dw_apb_timer_init(struct device_node *timer) { switch (num_called) { - case 0: - pr_debug("%s: found clockevent timer\n", __func__); - add_clockevent(timer); - break; case 1: pr_debug("%s: found clocksource timer\n", __func__); add_clocksource(timer); init_sched_clock(); break; default: + pr_debug("%s: found clockevent timer\n", __func__); + add_clockevent(timer); break; } diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index cec1ee2d2f74..c2598381fbc8 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -639,7 +639,7 @@ static int acpi_cpufreq_blacklist(struct cpuinfo_x86 *c) if (c->x86_vendor == X86_VENDOR_INTEL) { if ((c->x86 == 15) && (c->x86_model == 6) && - (c->x86_mask == 8)) { + (c->x86_stepping == 8)) { printk(KERN_INFO "acpi-cpufreq: Intel(R) " "Xeon(R) 7100 Errata AL30, processors may " "lock up on frequency changes: disabling " diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 49aa58e617db..df651b1a7669 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2171,10 +2171,7 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, return ret; } - up_write(&policy->rwsem); ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); - down_write(&policy->rwsem); - if (ret) { pr_err("%s: Failed to Exit Governor: %s (%d)\n", __func__, old_gov->name, ret); @@ -2190,9 +2187,7 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, if (!ret) goto out; - up_write(&policy->rwsem); __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); - down_write(&policy->rwsem); } /* new governor failed, so re-start old one */ diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c index 0f6b229afcb9..22c854bcbcbc 100644 --- a/drivers/cpufreq/longhaul.c +++ b/drivers/cpufreq/longhaul.c @@ -786,7 +786,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) break; case 7: - switch (c->x86_mask) { + switch (c->x86_stepping) { case 0: longhaul_version = TYPE_LONGHAUL_V1; cpu_model = CPU_SAMUEL2; @@ -798,7 +798,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) break; case 1 ... 15: longhaul_version = TYPE_LONGHAUL_V2; - if (c->x86_mask < 8) { + if (c->x86_stepping < 8) { cpu_model = CPU_SAMUEL2; cpuname = "C3 'Samuel 2' [C5B]"; } else { @@ -825,7 +825,7 @@ static int longhaul_cpu_init(struct cpufreq_policy *policy) numscales = 32; memcpy(mults, nehemiah_mults, sizeof(nehemiah_mults)); memcpy(eblcr, nehemiah_eblcr, sizeof(nehemiah_eblcr)); - switch (c->x86_mask) { + switch (c->x86_stepping) { case 0 ... 1: cpu_model = CPU_NEHEMIAH; cpuname = "C3 'Nehemiah A' [C5XLOE]"; diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c index 5dd95dab580d..75db125c1b4c 100644 --- a/drivers/cpufreq/p4-clockmod.c +++ b/drivers/cpufreq/p4-clockmod.c @@ -176,7 +176,7 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy) #endif /* Errata workaround */ - cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_mask; + cpuid = (c->x86 << 8) | (c->x86_model << 4) | c->x86_stepping; switch (cpuid) { case 0x0f07: case 0x0f0a: diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c index c1ae1999770a..5cd05bfa8f10 100644 --- a/drivers/cpufreq/powernow-k7.c +++ b/drivers/cpufreq/powernow-k7.c @@ -132,7 +132,7 @@ static int check_powernow(void) return 0; } - if ((c->x86_model == 6) && (c->x86_mask == 0)) { + if ((c->x86_model == 6) && (c->x86_stepping == 0)) { printk(KERN_INFO PFX "K7 660[A0] core detected, " "enabling errata workarounds\n"); have_a0 = 1; diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c index 7d4a31571608..a7e72a51806a 100644 --- a/drivers/cpufreq/speedstep-centrino.c +++ b/drivers/cpufreq/speedstep-centrino.c @@ -36,7 +36,7 @@ struct cpu_id { __u8 x86; /* CPU family */ __u8 x86_model; /* model */ - __u8 x86_mask; /* stepping */ + __u8 x86_stepping; /* stepping */ }; enum { @@ -276,7 +276,7 @@ static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c, { if ((c->x86 == x->x86) && (c->x86_model == x->x86_model) && - (c->x86_mask == x->x86_mask)) + (c->x86_stepping == x->x86_stepping)) return 1; return 0; } diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 15d3214aaa00..4e1fbb0a93fd 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -270,9 +270,9 @@ unsigned int speedstep_detect_processor(void) ebx = cpuid_ebx(0x00000001); ebx &= 0x000000FF; - pr_debug("ebx value is %x, x86_mask is %x\n", ebx, c->x86_mask); + pr_debug("ebx value is %x, x86_stepping is %x\n", ebx, c->x86_stepping); - switch (c->x86_mask) { + switch (c->x86_stepping) { case 4: /* * B-stepping [M-P4-M] @@ -359,7 +359,7 @@ unsigned int speedstep_detect_processor(void) msr_lo, msr_hi); if ((msr_hi & (1<<18)) && (relaxed_check ? 1 : (msr_hi & (3<<24)))) { - if (c->x86_mask == 0x01) { + if (c->x86_stepping == 0x01) { pr_debug("early PIII version\n"); return SPEEDSTEP_CPU_PIII_C_EARLY; } else diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 9e98a5fbbc1d..e7e92ed34f0c 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -412,7 +412,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) ret = kobject_init_and_add(&kobj->kobj, &ktype_state_cpuidle, &kdev->kobj, "state%d", i); if (ret) { - kfree(kobj); + kobject_put(&kobj->kobj); goto error_state; } kobject_uevent(&kobj->kobj, KOBJ_ADD); @@ -542,7 +542,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev) ret = kobject_init_and_add(&kdrv->kobj, &ktype_driver_cpuidle, &kdev->kobj, "driver"); if (ret) { - kfree(kdrv); + kobject_put(&kdrv->kobj); return ret; } @@ -636,7 +636,7 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) error = kobject_init_and_add(&kdev->kobj, &ktype_cpuidle, &cpu_dev->kobj, "cpuidle"); if (error) { - kfree(kdev); + kobject_put(&kdev->kobj); return error; } diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index 68836939f934..1a8dc76e117e 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -37,11 +37,11 @@ * Null hashes to align with hw behavior on imx6sl and ull * these are flipped for consistency with hw output */ -const uint8_t sha1_null_hash[] = +static const uint8_t sha1_null_hash[] = "\x09\x07\xd8\xaf\x90\x18\x60\x95\xef\xbf" "\x55\x32\x0d\x4b\x6b\x5e\xee\xa3\x39\xda"; -const uint8_t sha256_null_hash[] = +static const uint8_t sha256_null_hash[] = "\x55\xb8\x52\x78\x1b\x99\x95\xa4" "\x4c\x93\x9b\x64\xe4\x41\xae\x27" "\x24\xb9\x6f\x99\xc8\xf4\xfb\x9a" diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 047ef69b7e65..4493b4622207 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -535,7 +535,7 @@ static int __init padlock_init(void) printk(KERN_NOTICE PFX "Using VIA PadLock ACE for AES algorithm.\n"); - if (c->x86 == 6 && c->x86_model == 15 && c->x86_mask == 2) { + if (c->x86 == 6 && c->x86_model == 15 && c->x86_stepping == 2) { ecb_fetch_blocks = MAX_ECB_FETCH_BLOCKS; cbc_fetch_blocks = MAX_CBC_FETCH_BLOCKS; printk(KERN_NOTICE PFX "VIA Nano stepping 2 detected: enabling workaround.\n"); diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c index c48f181e8941..923bb1988973 100644 --- a/drivers/crypto/qat/qat_common/qat_uclo.c +++ b/drivers/crypto/qat/qat_common/qat_uclo.c @@ -307,13 +307,18 @@ static int qat_uclo_create_batch_init_list(struct icp_qat_fw_loader_handle } return 0; out_err: + /* Do not free the list head unless we allocated it. */ + tail_old = tail_old->next; + if (flag) { + kfree(*init_tab_base); + *init_tab_base = NULL; + } + while (tail_old) { mem_init = tail_old->next; kfree(tail_old); tail_old = mem_init; } - if (flag) - kfree(*init_tab_base); return -ENOMEM; } diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 941ace052130..5276074d0e36 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1817,6 +1817,8 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, return NULL; dmac_pdev = of_find_device_by_node(dma_spec->np); + if (!dmac_pdev) + return NULL; dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 884aecebb249..79c131746caa 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -491,8 +491,8 @@ static int dmatest_func(void *data) flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT; ktime = ktime_get(); - while (!kthread_should_stop() - && !(params->iterations && total_tests >= params->iterations)) { + while (!(kthread_should_stop() || + (params->iterations && total_tests >= params->iterations))) { struct dma_async_tx_descriptor *tx = NULL; struct dmaengine_unmap_data *um; dma_addr_t srcs[src_cnt]; diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 17521fcf226f..3cca3055ebd4 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -2439,7 +2439,13 @@ static struct platform_driver edma_driver = { }, }; +static int edma_tptc_probe(struct platform_device *pdev) +{ + return 0; +} + static struct platform_driver edma_tptc_driver = { + .probe = edma_tptc_probe, .driver = { .name = "edma3-tptc", .of_match_table = edma_tptc_of_ids, diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index be2e62b87948..4c762a5bc895 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -682,6 +682,13 @@ static irqreturn_t fsl_edma_tx_handler(int irq, void *dev_id) fsl_chan = &fsl_edma->chans[ch]; spin_lock(&fsl_chan->vchan.lock); + + if (!fsl_chan->edesc) { + /* terminate_all called before */ + spin_unlock(&fsl_chan->vchan.lock); + continue; + } + if (!fsl_chan->edesc->iscyclic) { list_del(&fsl_chan->edesc->vdesc.node); vchan_cookie_complete(&fsl_chan->edesc->vdesc); diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 3df0422607d5..ac9aede1bfbe 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -364,6 +364,8 @@ static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac) gen_pool_free(gpool, (unsigned long)tdmac->desc_arr, size); tdmac->desc_arr = NULL; + if (tdmac->status == DMA_ERROR) + tdmac->status = DMA_COMPLETE; return; } diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 1e1f2986eba8..86c591481dfe 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -72,12 +72,12 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, return NULL; chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target); - if (chan) { - chan->router = ofdma->dma_router; - chan->route_data = route_data; - } else { + if (IS_ERR_OR_NULL(chan)) { ofdma->dma_router->route_free(ofdma->dma_router->dev, route_data); + } else { + chan->router = ofdma->dma_router; + chan->route_data = route_data; } /* diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index 113605f6fe20..32517003e118 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -877,6 +877,7 @@ static int pch_dma_probe(struct pci_dev *pdev, } pci_set_master(pdev); + pd->dma.dev = &pdev->dev; err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd); if (err) { @@ -892,7 +893,6 @@ static int pch_dma_probe(struct pci_dev *pdev, goto err_free_irq; } - pd->dma.dev = &pdev->dev; INIT_LIST_HEAD(&pd->dma.channels); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 799c182c3eac..9aa57b37381a 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2629,6 +2629,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, while (burst != (1 << desc->rqcfg.brst_size)) desc->rqcfg.brst_size++; + desc->rqcfg.brst_len = get_burst_len(desc, len); /* * If burst size is smaller than bus width then make sure we only * transfer one at a time to avoid a burst stradling an MFIFO entry. @@ -2636,7 +2637,6 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width) desc->rqcfg.brst_len = 1; - desc->rqcfg.brst_len = get_burst_len(desc, len); desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index d87a47547ba5..5f86075e34da 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -248,6 +248,8 @@ static int get_scrub_rate(struct mem_ctl_info *mci) if (pvt->model == 0x60) amd64_read_pci_cfg(pvt->F2, F15H_M60H_SCRCTRL, &scrubval); + else + amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval); } else amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval); @@ -2715,7 +2717,7 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) struct amd64_family_type *fam_type = NULL; pvt->ext_model = boot_cpu_data.x86_model >> 4; - pvt->stepping = boot_cpu_data.x86_mask; + pvt->stepping = boot_cpu_data.x86_stepping; pvt->model = boot_cpu_data.x86_model; pvt->fam = boot_cpu_data.x86; diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c index fb68a06ad683..18991cfec2af 100644 --- a/drivers/edac/edac_device_sysfs.c +++ b/drivers/edac/edac_device_sysfs.c @@ -280,6 +280,7 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev) /* Error exit stack */ err_kobj_reg: + kobject_put(&edac_dev->kobj); module_put(edac_dev->owner); err_mod_get: diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c index 24d877f6e577..c56128402bc6 100644 --- a/drivers/edac/edac_pci_sysfs.c +++ b/drivers/edac/edac_pci_sysfs.c @@ -394,7 +394,7 @@ static int edac_pci_main_kobj_setup(void) /* Error unwind statck */ kobject_init_and_add_fail: - kfree(edac_pci_top_main_kobj); + kobject_put(edac_pci_top_main_kobj); kzalloc_fail: module_put(THIS_MODULE); diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c index 18d77ace4813..30f83fb6b145 100644 --- a/drivers/edac/ie31200_edac.c +++ b/drivers/edac/ie31200_edac.c @@ -131,6 +131,8 @@ #define IE31200_PAGES(n) (n << (28 - PAGE_SHIFT)) static int nr_channels; +static struct pci_dev *mci_pdev; +static int ie31200_registered = 1; struct ie31200_priv { void __iomem *window; @@ -456,12 +458,16 @@ fail_free: static int ie31200_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - edac_dbg(0, "MC:\n"); + int rc; + edac_dbg(0, "MC:\n"); if (pci_enable_device(pdev) < 0) return -EIO; + rc = ie31200_probe1(pdev, ent->driver_data); + if (rc == 0 && !mci_pdev) + mci_pdev = pci_dev_get(pdev); - return ie31200_probe1(pdev, ent->driver_data); + return rc; } static void ie31200_remove_one(struct pci_dev *pdev) @@ -470,6 +476,8 @@ static void ie31200_remove_one(struct pci_dev *pdev) struct ie31200_priv *priv; edac_dbg(0, "\n"); + pci_dev_put(mci_pdev); + mci_pdev = NULL; mci = edac_mc_del_mc(&pdev->dev); if (!mci) return; @@ -515,17 +523,53 @@ static struct pci_driver ie31200_driver = { static int __init ie31200_init(void) { + int pci_rc, i; + edac_dbg(3, "MC:\n"); /* Ensure that the OPSTATE is set correctly for POLL or NMI */ opstate_init(); - return pci_register_driver(&ie31200_driver); + pci_rc = pci_register_driver(&ie31200_driver); + if (pci_rc < 0) + goto fail0; + + if (!mci_pdev) { + ie31200_registered = 0; + for (i = 0; ie31200_pci_tbl[i].vendor != 0; i++) { + mci_pdev = pci_get_device(ie31200_pci_tbl[i].vendor, + ie31200_pci_tbl[i].device, + NULL); + if (mci_pdev) + break; + } + if (!mci_pdev) { + edac_dbg(0, "ie31200 pci_get_device fail\n"); + pci_rc = -ENODEV; + goto fail1; + } + pci_rc = ie31200_init_one(mci_pdev, &ie31200_pci_tbl[i]); + if (pci_rc < 0) { + edac_dbg(0, "ie31200 init fail\n"); + pci_rc = -ENODEV; + goto fail1; + } + } + return 0; + +fail1: + pci_unregister_driver(&ie31200_driver); +fail0: + pci_dev_put(mci_pdev); + + return pci_rc; } static void __exit ie31200_exit(void) { edac_dbg(3, "MC:\n"); pci_unregister_driver(&ie31200_driver); + if (!ie31200_registered) + ie31200_remove_one(mci_pdev); } module_init(ie31200_init); diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index e3a945ce374b..858da1a752b0 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -760,7 +760,7 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data) pr_emerg(HW_ERR "CPU:%d (%x:%x:%x) MC%d_STATUS[%s|%s|%s|%s|%s", m->extcpu, - c->x86, c->x86_model, c->x86_mask, + c->x86, c->x86_model, c->x86_stepping, m->bank, ((m->status & MCI_STATUS_OVER) ? "Over" : "-"), ((m->status & MCI_STATUS_UC) ? "UE" : diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c index fc4d0228b7d8..a97c96bed3ad 100644 --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -585,8 +585,10 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var) ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype, NULL, "%s", short_name); kfree(short_name); - if (ret) + if (ret) { + kobject_put(&new_var->kobj); return ret; + } kobject_uevent(&new_var->kobj, KOBJ_ADD); efivar_entry_add(new_var, &efivar_sysfs_list); diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c index 341b8c686ec7..4aaaccf95b36 100644 --- a/drivers/firmware/efi/esrt.c +++ b/drivers/firmware/efi/esrt.c @@ -182,7 +182,7 @@ static int esre_create_sysfs_entry(void *esre, int entry_num) rc = kobject_init_and_add(&entry->kobj, &esre1_ktype, NULL, "%s", name); if (rc) { - kfree(entry); + kobject_put(&entry->kobj); return rc; } } diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 5fe34a9df3e6..179ad7c35ae3 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -91,7 +91,7 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, &gg_data.gpiospec); if (ret) { pr_debug("%s: can't parse '%s' property of node '%s[%d]'\n", - __func__, propname, np->full_name, index); + __func__, propname, np ? np->full_name : NULL, index); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 1f0e6ede120c..1b3fda2331be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -734,8 +734,10 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (encoder) { @@ -863,8 +865,10 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } encoder = amdgpu_connector_best_single_encoder(connector); @@ -986,8 +990,10 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { @@ -1360,8 +1366,10 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index c555781685ea..d3ee8f19f1ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -296,7 +296,7 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set) ret = pm_runtime_get_sync(dev->dev); if (ret < 0) - return ret; + goto out; ret = drm_crtc_helper_set_config(set); @@ -311,7 +311,7 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set) take the current one */ if (active && !adev->have_disp_power_ref) { adev->have_disp_power_ref = true; - return ret; + goto out; } /* if we have no active crtcs, then drop the power ref we got before */ @@ -320,6 +320,7 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set) adev->have_disp_power_ref = false; } +out: /* drop the power reference we got coming in here */ pm_runtime_put_autosuspend(dev->dev); return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 8d6668cedf6d..eb3c54e1f1ca 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -443,11 +443,12 @@ long amdgpu_drm_ioctl(struct file *filp, dev = file_priv->minor->dev; ret = pm_runtime_get_sync(dev->dev); if (ret < 0) - return ret; + goto out; ret = drm_ioctl(filp, cmd, arg); pm_runtime_mark_last_busy(dev->dev); +out: pm_runtime_put_autosuspend(dev->dev); return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index e35e603710b4..6025c69871a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -428,9 +428,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return n ? -EFAULT : 0; } case AMDGPU_INFO_DEV_INFO: { - struct drm_amdgpu_info_device dev_info = {}; + struct drm_amdgpu_info_device dev_info; struct amdgpu_cu_info cu_info; + memset(&dev_info, 0, sizeof(dev_info)); dev_info.device_id = dev->pdev->device; dev_info.chip_rev = adev->rev_id; dev_info.external_rev = adev->external_rev_id; @@ -521,7 +522,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) r = pm_runtime_get_sync(dev->dev); if (r < 0) - return r; + goto pm_put; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) @@ -539,6 +540,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) file_priv->driver_priv = fpriv; pm_runtime_mark_last_busy(dev->dev); +pm_put: pm_runtime_put_autosuspend(dev->dev); return 0; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 2acbd43f9a53..965489b20429 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -841,8 +841,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, ret = kobject_init_and_add(dev->kobj_node, &node_type, sys_props.kobj_nodes, "%d", id); - if (ret < 0) + if (ret < 0) { + kobject_put(dev->kobj_node); return ret; + } dev->kobj_mem = kobject_create_and_add("mem_banks", dev->kobj_node); if (!dev->kobj_mem) @@ -885,8 +887,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, return -ENOMEM; ret = kobject_init_and_add(mem->kobj, &mem_type, dev->kobj_mem, "%d", i); - if (ret < 0) + if (ret < 0) { + kobject_put(mem->kobj); return ret; + } mem->attr.name = "properties"; mem->attr.mode = KFD_SYSFS_FILE_MODE; @@ -904,8 +908,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, return -ENOMEM; ret = kobject_init_and_add(cache->kobj, &cache_type, dev->kobj_cache, "%d", i); - if (ret < 0) + if (ret < 0) { + kobject_put(cache->kobj); return ret; + } cache->attr.name = "properties"; cache->attr.mode = KFD_SYSFS_FILE_MODE; @@ -923,8 +929,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, return -ENOMEM; ret = kobject_init_and_add(iolink->kobj, &iolink_type, dev->kobj_iolink, "%d", i); - if (ret < 0) + if (ret < 0) { + kobject_put(iolink->kobj); return ret; + } iolink->attr.name = "properties"; iolink->attr.mode = KFD_SYSFS_FILE_MODE; @@ -976,8 +984,10 @@ static int kfd_topology_update_sysfs(void) ret = kobject_init_and_add(sys_props.kobj_topology, &sysprops_type, &kfd_device->kobj, "topology"); - if (ret < 0) + if (ret < 0) { + kobject_put(sys_props.kobj_topology); return ret; + } sys_props.kobj_nodes = kobject_create_and_add("nodes", sys_props.kobj_topology); diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index 3bcf8e6a85b3..5b0fdcd0b63f 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -290,13 +290,13 @@ static ssize_t connector_write(struct file *file, const char __user *ubuf, buf[len] = '\0'; - if (!strcmp(buf, "on")) + if (sysfs_streq(buf, "on")) connector->force = DRM_FORCE_ON; - else if (!strcmp(buf, "digital")) + else if (sysfs_streq(buf, "digital")) connector->force = DRM_FORCE_ON_DIGITAL; - else if (!strcmp(buf, "off")) + else if (sysfs_streq(buf, "off")) connector->force = DRM_FORCE_OFF; - else if (!strcmp(buf, "unspecified")) + else if (sysfs_streq(buf, "unspecified")) connector->force = DRM_FORCE_UNSPECIFIED; else return -EINVAL; diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index bb25abba7ad0..51cdff2af8b2 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -29,6 +29,7 @@ #include <linux/i2c.h> #include <drm/drm_dp_mst_helper.h> #include <drm/drmP.h> +#include <linux/iopoll.h> #include <drm/drm_fixed.h> @@ -2647,6 +2648,17 @@ fail: return ret; } +static int do_get_act_status(struct drm_dp_aux *aux) +{ + int ret; + u8 status; + + ret = drm_dp_dpcd_readb(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); + if (ret < 0) + return ret; + + return status; +} /** * drm_dp_check_act_status() - Check ACT handled status. @@ -2656,33 +2668,29 @@ fail: */ int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr) { - u8 status; - int ret; - int count = 0; - - do { - ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); - - if (ret < 0) { - DRM_DEBUG_KMS("failed to read payload table status %d\n", ret); - goto fail; - } - - if (status & DP_PAYLOAD_ACT_HANDLED) - break; - count++; - udelay(100); - - } while (count < 30); - - if (!(status & DP_PAYLOAD_ACT_HANDLED)) { - DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count); - ret = -EINVAL; - goto fail; + /* + * There doesn't seem to be any recommended retry count or timeout in + * the MST specification. Since some hubs have been observed to take + * over 1 second to update their payload allocations under certain + * conditions, we use a rather large timeout value. + */ + const int timeout_ms = 3000; + int ret, status; + + ret = readx_poll_timeout(do_get_act_status, mgr->aux, status, + status & DP_PAYLOAD_ACT_HANDLED || status < 0, + 200, timeout_ms * USEC_PER_MSEC); + if (ret < 0 && status >= 0) { + DRM_DEBUG_KMS("Failed to get ACT after %dms, last status: %02x\n", + timeout_ms, status); + return -EINVAL; + } else if (status < 0) { + DRM_DEBUG_KMS("Failed to read payload table status: %d\n", + status); + return status; } + return 0; -fail: - return ret; } EXPORT_SYMBOL(drm_dp_check_act_status); diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c index d18b88b755c3..5c595d9f7e8f 100644 --- a/drivers/gpu/drm/drm_encoder_slave.c +++ b/drivers/gpu/drm/drm_encoder_slave.c @@ -84,7 +84,7 @@ int drm_i2c_encoder_init(struct drm_device *dev, err = encoder_drv->encoder_init(client, dev, encoder); if (err) - goto fail_unregister; + goto fail_module_put; if (info->platform_data) encoder->slave_funcs->set_config(&encoder->base, @@ -92,9 +92,10 @@ int drm_i2c_encoder_init(struct drm_device *dev, return 0; +fail_module_put: + module_put(module); fail_unregister: i2c_unregister_device(client); - module_put(module); fail: return err; } diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index e449f22c8f29..edec88b21ff1 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1256,7 +1256,7 @@ retry: goto fail; plane = mode_set->crtc->primary; - plane_mask |= drm_plane_index(plane); + plane_mask |= (1 << drm_plane_index(plane)); plane->old_fb = plane->fb; } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 9147113139be..67d5ead98a36 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -652,9 +652,6 @@ err: * @file_priv: drm file-private structure * * Open an object using the global name, returning a handle and the size. - * - * This handle (of course) holds a reference to the object, so the object - * will not go away until the handle is deleted. */ int drm_gem_open_ioctl(struct drm_device *dev, void *data, @@ -679,14 +676,15 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data, /* drm_gem_handle_create_tail unlocks dev->object_name_lock. */ ret = drm_gem_handle_create_tail(file_priv, obj, &handle); - drm_gem_object_unreference_unlocked(obj); if (ret) - return ret; + goto err; args->handle = handle; args->size = obj->size; - return 0; +err: + drm_gem_object_unreference_unlocked(obj); + return ret; } /** diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 31ca56e593f5..b9dc2ef64ed8 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -305,6 +305,7 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder) { struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; + int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; int mux, ret; /* @@ -321,14 +322,14 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder) drm_panel_disable(imx_ldb_ch->panel); - if (imx_ldb_ch == &ldb->channel[0]) + if (imx_ldb_ch == &ldb->channel[0] || dual) ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK; - else if (imx_ldb_ch == &ldb->channel[1]) + if (imx_ldb_ch == &ldb->channel[1] || dual) ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK; regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl); - if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) { + if (dual) { clk_disable_unprepare(ldb->clk[0]); clk_disable_unprepare(ldb->clk[1]); } diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 644faf3ae93a..245070950e87 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -116,17 +116,19 @@ static void put_pages(struct drm_gem_object *obj) struct msm_gem_object *msm_obj = to_msm_bo(obj); if (msm_obj->pages) { - /* For non-cached buffers, ensure the new pages are clean - * because display controller, GPU, etc. are not coherent: - */ - if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) - dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl, - msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + if (msm_obj->sgt) { + /* For non-cached buffers, ensure the new + * pages are clean because display controller, + * GPU, etc. are not coherent: + */ + if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) + dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, + DMA_BIDIRECTIONAL); - if (msm_obj->sgt) sg_free_table(msm_obj->sgt); - - kfree(msm_obj->sgt); + kfree(msm_obj->sgt); + } if (use_pages(obj)) drm_gem_put_pages(obj, msm_obj->pages, true, false); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 1855b475cc0b..42be04813b68 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -263,8 +263,10 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) pm_runtime_get_noresume(dev->dev); } else { ret = pm_runtime_get_sync(dev->dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put_autosuspend(dev->dev); return conn_status; + } } nv_encoder = nouveau_connector_ddc_detect(connector); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 91a61d2cca88..a90840e39110 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -805,8 +805,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) /* need to bring up power immediately if opening device */ ret = pm_runtime_get_sync(dev->dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put_autosuspend(dev->dev); return ret; + } get_task_comm(tmpname, current); snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); @@ -894,8 +896,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) long ret; ret = pm_runtime_get_sync(dev->dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put_autosuspend(dev->dev); return ret; + } switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) { case DRM_NOUVEAU_NVIF: diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 343476d15726..11183839f6fa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -184,8 +184,10 @@ nouveau_fbcon_open(struct fb_info *info, int user) struct nouveau_fbdev *fbcon = info->par; struct nouveau_drm *drm = nouveau_drm(fbcon->dev); int ret = pm_runtime_get_sync(drm->dev->dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put(drm->dev->dev); return ret; + } return 0; } @@ -566,6 +568,7 @@ fini: drm_fb_helper_fini(&fbcon->helper); free: kfree(fbcon); + drm->fbcon = NULL; return ret; } diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index ae560f5977fc..e5db2a385cb6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -42,8 +42,10 @@ nouveau_gem_object_del(struct drm_gem_object *gem) int ret; ret = pm_runtime_get_sync(dev); - if (WARN_ON(ret < 0 && ret != -EACCES)) + if (WARN_ON(ret < 0 && ret != -EACCES)) { + pm_runtime_put_autosuspend(dev); return; + } if (gem->import_attach) drm_prime_gem_destroy(gem, nvbo->bo.sg); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c index 954f5b76bfcf..d44965f805fe 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c @@ -118,10 +118,10 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, if (retries) udelay(400); - /* transaction request, wait up to 1ms for it to complete */ + /* transaction request, wait up to 2ms for it to complete */ nvkm_wr32(device, 0x00e4e4 + base, 0x00010000 | ctrl); - timeout = 1000; + timeout = 2000; do { ctrl = nvkm_rd32(device, 0x00e4e4 + base); udelay(1); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c index bed231b56dbd..7cac8fe372b6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c @@ -118,10 +118,10 @@ gm204_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, if (retries) udelay(400); - /* transaction request, wait up to 1ms for it to complete */ + /* transaction request, wait up to 2ms for it to complete */ nvkm_wr32(device, 0x00d954 + base, 0x00010000 | ctrl); - timeout = 1000; + timeout = 2000; do { ctrl = nvkm_rd32(device, 0x00d954 + base); udelay(1); diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 578743924637..2babb3636c91 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -922,7 +922,7 @@ static const struct drm_display_mode lg_lb070wv8_mode = { static const struct panel_desc lg_lb070wv8 = { .modes = &lg_lb070wv8_mode, .num_modes = 1, - .bpc = 16, + .bpc = 8, .size = { .width = 151, .height = 91, diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index fdc1833b1af8..ae09f004a33f 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -500,9 +500,10 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev, return ret; ret = qxl_release_reserve_list(release, true); - if (ret) + if (ret) { + qxl_release_free(qdev, release); return ret; - + } cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_SURFACE_CMD_CREATE; cmd->flags = QXL_SURF_FLAG_KEEP_DATA; @@ -528,8 +529,8 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev, /* no need to add a release to the fence for this surface bo, since it is only released when we ask to destroy the surface and it would never signal otherwise */ - qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); surf->hw_surf_alloc = true; spin_lock(&qdev->surf_id_idr_lock); @@ -571,9 +572,8 @@ int qxl_hw_surface_dealloc(struct qxl_device *qdev, cmd->surface_id = id; qxl_release_unmap(qdev, release, &cmd->release_info); - qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); - qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false); return 0; } diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 5edebf495c07..0d6cc396cc16 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -292,8 +292,8 @@ qxl_hide_cursor(struct qxl_device *qdev) cmd->type = QXL_CURSOR_HIDE; qxl_release_unmap(qdev, release, &cmd->release_info); - qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); qxl_release_fence_buffer_objects(release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); return 0; } @@ -390,8 +390,8 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, cmd->u.set.visible = 1; qxl_release_unmap(qdev, release, &cmd->release_info); - qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); qxl_release_fence_buffer_objects(release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); /* finish with the userspace bo */ ret = qxl_bo_reserve(user_bo, false); @@ -450,8 +450,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc, cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; qxl_release_unmap(qdev, release, &cmd->release_info); - qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); qxl_release_fence_buffer_objects(release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); return 0; } diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c index 6e6c76080d6a..47da124b7ebf 100644 --- a/drivers/gpu/drm/qxl/qxl_draw.c +++ b/drivers/gpu/drm/qxl/qxl_draw.c @@ -245,8 +245,8 @@ void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image, qxl_bo_physical_address(qdev, dimage->bo, 0); qxl_release_unmap(qdev, release, &drawable->release_info); - qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); out_free_palette: if (palette_bo) @@ -352,9 +352,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev, goto out_release_backoff; rects = drawable_set_clipping(qdev, drawable, num_clips, clips_bo); - if (!rects) + if (!rects) { + ret = -EINVAL; goto out_release_backoff; - + } drawable = (struct qxl_drawable *)qxl_release_map(qdev, release); drawable->clip.type = SPICE_CLIP_TYPE_RECTS; @@ -385,8 +386,8 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev, } qxl_bo_kunmap(clips_bo); - qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); out_release_backoff: if (ret) @@ -436,8 +437,8 @@ void qxl_draw_copyarea(struct qxl_device *qdev, drawable->u.copy_bits.src_pos.y = sy; qxl_release_unmap(qdev, release, &drawable->release_info); - qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); out_free_release: if (ret) @@ -480,8 +481,8 @@ void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec) qxl_release_unmap(qdev, release, &drawable->release_info); - qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); qxl_release_fence_buffer_objects(release); + qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false); out_free_release: if (ret) diff --git a/drivers/gpu/drm/qxl/qxl_image.c b/drivers/gpu/drm/qxl/qxl_image.c index 7fbcc35e8ad3..c89c10055641 100644 --- a/drivers/gpu/drm/qxl/qxl_image.c +++ b/drivers/gpu/drm/qxl/qxl_image.c @@ -210,7 +210,8 @@ qxl_image_init_helper(struct qxl_device *qdev, break; default: DRM_ERROR("unsupported image bit depth\n"); - return -EINVAL; /* TODO: cleanup */ + qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr); + return -EINVAL; } image->u.bitmap.flags = QXL_BITMAP_TOP_DOWN; image->u.bitmap.x = width; diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index 7c2e78201ead..4d852449a7d1 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -257,11 +257,8 @@ static int qxl_process_single_command(struct qxl_device *qdev, apply_surf_reloc(qdev, &reloc_info[i]); } + qxl_release_fence_buffer_objects(release); ret = qxl_push_command_ring_release(qdev, release, cmd->type, true); - if (ret) - qxl_release_backoff_reserve_list(release); - else - qxl_release_fence_buffer_objects(release); out_free_bos: out_free_release: diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index b2977a181935..e8664a9f1e77 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -199,7 +199,7 @@ static int qxl_device_init(struct qxl_device *qdev, &(qdev->ram_header->cursor_ring_hdr), sizeof(struct qxl_command), QXL_CURSOR_RING_SIZE, - qdev->io_base + QXL_IO_NOTIFY_CMD, + qdev->io_base + QXL_IO_NOTIFY_CURSOR, false, &qdev->cursor_event); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 2ccf81168d1e..8e1bf9ed8eff 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -4345,7 +4345,7 @@ static int ci_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] |= 0x100; } j++; - if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) + if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) return -EINVAL; if (!pi->mem_gddr5) { @@ -5554,6 +5554,7 @@ static int ci_parse_power_table(struct radeon_device *rdev) if (!rdev->pm.dpm.ps) return -ENOMEM; power_state_offset = (u8 *)state_array->states; + rdev->pm.dpm.num_ps = 0; for (i = 0; i < state_array->ucNumEntries; i++) { u8 *idx; power_state = (union pplib_power_state *)power_state_offset; @@ -5563,10 +5564,8 @@ static int ci_parse_power_table(struct radeon_device *rdev) if (!rdev->pm.power_state[i].clock_info) return -EINVAL; ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL); - if (ps == NULL) { - kfree(rdev->pm.dpm.ps); + if (ps == NULL) return -ENOMEM; - } rdev->pm.dpm.ps[i].ps_priv = ps; ci_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], non_clock_info, @@ -5588,8 +5587,8 @@ static int ci_parse_power_table(struct radeon_device *rdev) k++; } power_state_offset += 2 + power_state->v2.ucNumDPMLevels; + rdev->pm.dpm.num_ps = i + 1; } - rdev->pm.dpm.num_ps = state_array->ucNumEntries; /* fill in the vce power states */ for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) { diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index c3d531a1114b..14ee1d9a56a7 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -2128,7 +2128,7 @@ static int ni_init_smc_spll_table(struct radeon_device *rdev) if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT)) ret = -EINVAL; - if (clk_s & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT)) + if (fb_div & ~(SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT)) ret = -EINVAL; if (clk_v & ~(SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_MASK >> SMC_NISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT)) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index bebcef2ce6b8..a9f1d99bb6f9 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -886,8 +886,10 @@ radeon_lvds_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (encoder) { @@ -1021,8 +1023,10 @@ radeon_vga_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } encoder = radeon_best_single_encoder(connector); @@ -1158,8 +1162,10 @@ radeon_tv_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } encoder = radeon_best_single_encoder(connector); @@ -1241,8 +1247,10 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (radeon_connector->detected_hpd_without_ddc) { @@ -1681,8 +1689,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } } if (!force && radeon_check_hpd_status_unchanged(connector)) { diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 4572bfba017c..17c73b8c90e7 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -660,8 +660,10 @@ radeon_crtc_set_config(struct drm_mode_set *set) dev = set->crtc->dev; ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_autosuspend(dev->dev); return ret; + } ret = drm_crtc_helper_set_config(set); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 5b6a6f5b3619..401403a3ea50 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -527,8 +527,10 @@ long radeon_drm_ioctl(struct file *filp, long ret; dev = file_priv->minor->dev; ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_autosuspend(dev->dev); return ret; + } ret = drm_ioctl(filp, cmd, arg); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index d290a8a09036..41caf7da9054 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -631,8 +631,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) file_priv->driver_priv = NULL; r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(dev->dev); return r; + } /* new gpu have virtual address space support */ if (rdev->family >= CHIP_CAYMAN) { diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 0af8bed7ce1e..08d8f608be63 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -177,12 +177,16 @@ static int panel_connector_get_modes(struct drm_connector *connector) int i; for (i = 0; i < timings->num_timings; i++) { - struct drm_display_mode *mode = drm_mode_create(dev); + struct drm_display_mode *mode; struct videomode vm; if (videomode_from_timings(timings, &vm, i)) break; + mode = drm_mode_create(dev); + if (!mode) + break; + drm_display_mode_from_videomode(&vm, mode); mode->type = DRM_MODE_TYPE_DRIVER; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 9b97f70fbb3d..0b7427d474fe 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -2086,7 +2086,7 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv, ++i; } - if (i != unit) { + if (&con->head == &dev_priv->dev->mode_config.connector_list) { DRM_ERROR("Could not find initial display unit.\n"); return -EINVAL; } @@ -2108,13 +2108,13 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv, break; } - if (mode->type & DRM_MODE_TYPE_PREFERRED) - *p_mode = mode; - else { + if (&mode->head == &con->modes) { WARN_ONCE(true, "Could not find initial preferred mode.\n"); *p_mode = list_first_entry(&con->modes, struct drm_display_mode, head); + } else { + *p_mode = mode; } return 0; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 325adbef134c..9425c789b097 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1368,6 +1368,17 @@ static void hid_output_field(const struct hid_device *hid, } /* + * Compute the size of a report. + */ +static size_t hid_compute_report_size(struct hid_report *report) +{ + if (report->size) + return ((report->size - 1) >> 3) + 1; + + return 0; +} + +/* * Create a report. 'data' has to be allocated using * hid_alloc_report_buf() so that it has proper size. */ @@ -1379,7 +1390,7 @@ void hid_output_report(struct hid_report *report, __u8 *data) if (report->id > 0) *data++ = report->id; - memset(data, 0, ((report->size - 1) >> 3) + 1); + memset(data, 0, hid_compute_report_size(report)); for (n = 0; n < report->maxfield; n++) hid_output_field(report->device, report->field[n], data); } @@ -1506,7 +1517,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, csize--; } - rsize = ((report->size - 1) >> 3) + 1; + rsize = hid_compute_report_size(report); if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE) rsize = HID_MAX_BUFFER_SIZE - 1; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e1807296a1a0..33d2b5948d7f 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -319,6 +319,7 @@ #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001 +#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002 0xc002 #define USB_VENDOR_ID_ELAN 0x04f3 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 3331bf8ad85e..c033d12070c3 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -994,6 +994,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } mapped: + /* Mapping failed, bail out */ + if (!bit) + return; + if (device->driver->input_mapped && device->driver->input_mapped(device, hidinput, field, usage, &bit, &max) < 0) { diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index d6fa496d0ca2..d15e824e39df 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -451,6 +451,12 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __set_bit(MSC_RAW, input->mscbit); } + /* + * hid-input may mark device as using autorepeat, but neither + * the trackpad, nor the mouse actually want it. + */ + __clear_bit(EV_REP, input->evbit); + return 0; } diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 9de379c1b3fd..5187f3975c65 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -569,6 +569,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_UP_BUTTON: code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); hid_map_usage(hi, usage, bit, max, EV_KEY, code); + if (!*bit) + return -1; input_set_capability(hi->input, EV_KEY, code); return 1; @@ -1300,6 +1302,9 @@ static const struct hid_device_id mt_devices[] = { { .driver_data = MT_CLS_EGALAX_SERIAL, MT_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, + { .driver_data = MT_CLS_EGALAX, + MT_USB_DEVICE(USB_VENDOR_ID_DWAV, + USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) }, /* Elitegroup panel */ { .driver_data = MT_CLS_SERIAL, diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index dbdd265075da..7bce23a43907 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -554,12 +554,16 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, switch (cmd) { case HIDIOCGUSAGE: + if (uref->usage_index >= field->report_count) + goto inval; uref->value = field->value[uref->usage_index]; if (copy_to_user(user_arg, uref, sizeof(*uref))) goto fault; goto goodreturn; case HIDIOCSUSAGE: + if (uref->usage_index >= field->report_count) + goto inval; field->value[uref->usage_index] = uref->value; goto goodreturn; diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index 1505ee6e6605..24b2766a6d34 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -80,11 +80,10 @@ static ssize_t hvt_op_write(struct file *file, const char __user *buf, hvt = container_of(file->f_op, struct hvutil_transport, fops); - inmsg = kzalloc(count, GFP_KERNEL); - if (copy_from_user(inmsg, buf, count)) { - kfree(inmsg); - return -EFAULT; - } + inmsg = memdup_user(buf, count); + if (IS_ERR(inmsg)) + return PTR_ERR(inmsg); + if (hvt->on_msg(inmsg, count)) return -EFAULT; kfree(inmsg); diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index e27f7e12c05b..9b4ad6c74041 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -895,7 +895,7 @@ static int acpi_power_meter_add(struct acpi_device *device) res = setup_attrs(resource); if (res) - goto exit_free; + goto exit_free_capability; resource->hwmon_dev = hwmon_device_register(&device->dev); if (IS_ERR(resource->hwmon_dev)) { @@ -908,6 +908,8 @@ static int acpi_power_meter_add(struct acpi_device *device) exit_remove: remove_attrs(resource); +exit_free_capability: + free_capabilities(resource); exit_free: kfree(resource); exit: diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 0af7fd311979..587fc5c686b3 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -758,15 +758,18 @@ static ssize_t applesmc_light_show(struct device *dev, } ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); + if (ret) + goto out; /* newer macbooks report a single 10-bit bigendian value */ if (data_length == 10) { left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2; goto out; } left = buffer[2]; + + ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); if (ret) goto out; - ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); right = buffer[2]; out: @@ -814,12 +817,11 @@ static ssize_t applesmc_show_fan_speed(struct device *dev, sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr)); ret = applesmc_read_key(newkey, buffer, 2); - speed = ((buffer[0] << 8 | buffer[1]) >> 2); - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); + + speed = ((buffer[0] << 8 | buffer[1]) >> 2); + return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); } static ssize_t applesmc_store_fan_speed(struct device *dev, @@ -854,12 +856,11 @@ static ssize_t applesmc_show_fan_manual(struct device *dev, u8 buffer[2]; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); + + manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); } static ssize_t applesmc_store_fan_manual(struct device *dev, @@ -875,10 +876,11 @@ static ssize_t applesmc_store_fan_manual(struct device *dev, return -EINVAL; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - val = (buffer[0] << 8 | buffer[1]); if (ret) goto out; + val = (buffer[0] << 8 | buffer[1]); + if (input) val = val | (0x01 << to_index(attr)); else @@ -954,13 +956,12 @@ static ssize_t applesmc_key_count_show(struct device *dev, u32 count; ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); - count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + - ((u32)buffer[2]<<8) + buffer[3]; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); + + count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + + ((u32)buffer[2]<<8) + buffer[3]; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); } static ssize_t applesmc_key_at_index_read_show(struct device *dev, diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 6a27eb2fed17..be1e380fa1c3 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -269,13 +269,13 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) for (i = 0; i < ARRAY_SIZE(tjmax_model_table); i++) { const struct tjmax_model *tm = &tjmax_model_table[i]; if (c->x86_model == tm->model && - (tm->mask == ANY || c->x86_mask == tm->mask)) + (tm->mask == ANY || c->x86_stepping == tm->mask)) return tm->tjmax; } /* Early chips have no MSR for TjMax */ - if (c->x86_model == 0xf && c->x86_mask < 4) + if (c->x86_model == 0xf && c->x86_stepping < 4) usemsr_ee = 0; if (c->x86_model > 0xe && usemsr_ee) { @@ -426,7 +426,7 @@ static int chk_ucode_version(unsigned int cpu) * Readings might stop update when processor visited too deep sleep, * fixed for stepping D0 (6EC). */ - if (c->x86_model == 0xe && c->x86_mask < 0xc && c->microcode < 0x39) { + if (c->x86_model == 0xe && c->x86_stepping < 0xc && c->microcode < 0x39) { pr_err("Errata AE18 not fixed, update BIOS or microcode of the CPU!\n"); return -ENODEV; } diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index 952fe692d764..0ddb0677e9c8 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -452,7 +452,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da, } result = read_u8_from_i2c(client, REG_FAN_CONF1, &conf_reg); - if (result) { + if (result < 0) { count = result; goto err; } diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index ef91b8a67549..84e91286fc4f 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -293,7 +293,7 @@ u8 vid_which_vrm(void) if (c->x86 < 6) /* Any CPU with family lower than 6 */ return 0; /* doesn't have VID */ - vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_mask, c->x86_vendor); + vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_stepping, c->x86_vendor); if (vrm_ret == 134) vrm_ret = get_via_model_d_vrm(); if (vrm_ret == 0) diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 9cdfde6515ad..0124584a6a6d 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -179,7 +179,7 @@ static bool has_erratum_319(struct pci_dev *pdev) * and AM3 formats, but that's the best we can do. */ return boot_cpu_data.x86_model < 4 || - (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_mask <= 2); + (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_stepping <= 2); } static int k10temp_probe(struct pci_dev *pdev, diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index 734d55d48cc8..486502798fc5 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -187,7 +187,7 @@ static int k8temp_probe(struct pci_dev *pdev, return -ENOMEM; model = boot_cpu_data.x86_model; - stepping = boot_cpu_data.x86_mask; + stepping = boot_cpu_data.x86_stepping; /* feature available since SH-C0, exclude older revisions */ if ((model == 4 && stepping == 0) || diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index f03a71722849..d4bb3d6aaf18 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -46,8 +46,9 @@ static const u8 MAX6697_REG_CRIT[] = { * Map device tree / platform data register bit map to chip bit map. * Applies to alert register and over-temperature register. */ -#define MAX6697_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \ +#define MAX6697_ALERT_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \ (((reg) & 0x01) << 6) | ((reg) & 0x80)) +#define MAX6697_OVERT_MAP_BITS(reg) (((reg) >> 1) | (((reg) & 0x01) << 7)) #define MAX6697_REG_STAT(n) (0x44 + (n)) @@ -586,12 +587,12 @@ static int max6697_init_chip(struct max6697_data *data, return ret; ret = i2c_smbus_write_byte_data(client, MAX6697_REG_ALERT_MASK, - MAX6697_MAP_BITS(pdata->alert_mask)); + MAX6697_ALERT_MAP_BITS(pdata->alert_mask)); if (ret < 0) return ret; ret = i2c_smbus_write_byte_data(client, MAX6697_REG_OVERT_MASK, - MAX6697_MAP_BITS(pdata->over_temperature_mask)); + MAX6697_OVERT_MAP_BITS(pdata->over_temperature_mask)); if (ret < 0) return ret; diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index e370804ec8bc..1886588b9ea3 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -50,8 +50,22 @@ static void pca_reset(struct i2c_algo_pca_data *adap) pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET); pca_outw(adap, I2C_PCA_IND, 0xA5); pca_outw(adap, I2C_PCA_IND, 0x5A); + + /* + * After a reset we need to re-apply any configuration + * (calculated in pca_init) to get the bus in a working state. + */ + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IMODE); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.mode); + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLL); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.tlow); + pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLH); + pca_outw(adap, I2C_PCA_IND, adap->bus_settings.thi); + + pca_set_con(adap, I2C_PCA_CON_ENSIO); } else { adap->reset_chip(adap->data); + pca_set_con(adap, I2C_PCA_CON_ENSIO | adap->bus_settings.clock_freq); } } @@ -326,7 +340,8 @@ static int pca_xfer(struct i2c_adapter *i2c_adap, DEB2("BUS ERROR - SDA Stuck low\n"); pca_reset(adap); goto out; - case 0x90: /* Bus error - SCL stuck low */ + case 0x78: /* Bus error - SCL stuck low (PCA9665) */ + case 0x90: /* Bus error - SCL stuck low (PCA9564) */ DEB2("BUS ERROR - SCL Stuck low\n"); pca_reset(adap); goto out; @@ -434,13 +449,14 @@ static int pca_init(struct i2c_adapter *adap) " Use the nominal frequency.\n", adap->name); } - pca_reset(pca_data); - clock = pca_clock(pca_data); printk(KERN_INFO "%s: Clock frequency is %dkHz\n", adap->name, freqs[clock]); - pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock); + /* Store settings as these will be needed when the PCA chip is reset */ + pca_data->bus_settings.clock_freq = clock; + + pca_reset(pca_data); } else { int clock; int mode; @@ -507,19 +523,15 @@ static int pca_init(struct i2c_adapter *adap) thi = tlow * min_thi / min_tlow; } + /* Store settings as these will be needed when the PCA chip is reset */ + pca_data->bus_settings.mode = mode; + pca_data->bus_settings.tlow = tlow; + pca_data->bus_settings.thi = thi; + pca_reset(pca_data); printk(KERN_INFO "%s: Clock frequency is %dHz\n", adap->name, clock * 100); - - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_IMODE); - pca_outw(pca_data, I2C_PCA_IND, mode); - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLL); - pca_outw(pca_data, I2C_PCA_IND, tlow); - pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLH); - pca_outw(pca_data, I2C_PCA_IND, thi); - - pca_set_con(pca_data, I2C_PCA_CON_ENSIO); } udelay(500); /* 500 us for oscillator to stabilise */ diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index 6d32e6da3110..84deed6571bd 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -378,10 +378,8 @@ static void cdns_i2c_mrecv(struct cdns_i2c *id) * Check for the message size against FIFO depth and set the * 'hold bus' bit if it is greater than FIFO depth. */ - if ((id->recv_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag) + if (id->recv_count > CDNS_I2C_FIFO_DEPTH) ctrl_reg |= CDNS_I2C_CR_HOLD; - else - ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD; cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET); @@ -438,11 +436,8 @@ static void cdns_i2c_msend(struct cdns_i2c *id) * Check for the message size against FIFO depth and set the * 'hold bus' bit if it is greater than FIFO depth. */ - if ((id->send_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag) + if (id->send_count > CDNS_I2C_FIFO_DEPTH) ctrl_reg |= CDNS_I2C_CR_HOLD; - else - ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD; - cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET); /* Clear the interrupts in interrupt status register. */ diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index de7fbbb374cd..914994c232ad 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -865,7 +865,8 @@ int i2c_dw_probe(struct dw_i2c_dev *dev) i2c_set_adapdata(adap, dev); i2c_dw_disable_int(dev); - r = devm_request_irq(dev->dev, dev->irq, i2c_dw_isr, IRQF_SHARED, + r = devm_request_irq(dev->dev, dev->irq, i2c_dw_isr, + IRQF_SHARED | IRQF_COND_SUSPEND, dev_name(dev->dev), dev); if (r) { dev_err(dev->dev, "failure requesting irq %i: %d\n", diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index eef3aa6007f1..ffd8f9772096 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -189,6 +189,7 @@ static const struct pci_device_id pch_pcidev_id[] = { { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7831_I2C), 1, }, {0,} }; +MODULE_DEVICE_TABLE(pci, pch_pcidev_id); static irqreturn_t pch_i2c_handler(int irq, void *pData); diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index b61db9db3ca5..c85ac178c483 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -647,7 +647,8 @@ static int piix4_probe(struct pci_dev *dev, const struct pci_device_id *id) } if (dev->vendor == PCI_VENDOR_ID_AMD && - dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) { + (dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS || + dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS)) { retval = piix4_setup_sb800(dev, id, 1); } diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 0d351954db02..8fca6e3dd750 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -297,11 +297,10 @@ static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why) dev_err(dev, "IBMR: %08x IDBR: %08x ICR: %08x ISR: %08x\n", readl(_IBMR(i2c)), readl(_IDBR(i2c)), readl(_ICR(i2c)), readl(_ISR(i2c))); - dev_dbg(dev, "log: "); + dev_err(dev, "log:"); for (i = 0; i < i2c->irqlogidx; i++) - pr_debug("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]); - - pr_debug("\n"); + pr_cont(" [%03x:%05x]", i2c->isrlog[i], i2c->icrlog[i]); + pr_cont("\n"); } #else /* ifdef DEBUG */ @@ -691,11 +690,9 @@ static inline void i2c_pxa_stop_message(struct pxa_i2c *i2c) { u32 icr; - /* - * Clear the STOP and ACK flags - */ + /* Clear the START, STOP, ACK, TB and MA flags */ icr = readl(_ICR(i2c)); - icr &= ~(ICR_STOP | ICR_ACKNAK); + icr &= ~(ICR_START | ICR_STOP | ICR_ACKNAK | ICR_TB | ICR_MA); writel(icr, _ICR(i2c)); } diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index dfe1a53ce4ad..00b3178c36a7 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -386,13 +386,15 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv) rcar_i2c_write(priv, ICSIER, SDR | SSR | SAR); } - rcar_i2c_write(priv, ICSSR, ~SAR & 0xff); + /* Clear SSR, too, because of old STOPs to other clients than us */ + rcar_i2c_write(priv, ICSSR, ~(SAR | SSR) & 0xff); } /* master sent stop */ if (ssr_filtered & SSR) { i2c_slave_event(priv->slave, I2C_SLAVE_STOP, &value); - rcar_i2c_write(priv, ICSIER, SAR | SSR); + rcar_i2c_write(priv, ICSCR, SIE | SDBS); /* clear our NACK */ + rcar_i2c_write(priv, ICSIER, SAR); rcar_i2c_write(priv, ICSSR, ~SSR & 0xff); } @@ -541,7 +543,7 @@ static int rcar_reg_slave(struct i2c_client *slave) priv->slave = slave; rcar_i2c_write(priv, ICSAR, slave->addr); rcar_i2c_write(priv, ICSSR, 0); - rcar_i2c_write(priv, ICSIER, SAR | SSR); + rcar_i2c_write(priv, ICSIER, SAR); rcar_i2c_write(priv, ICSCR, SIE | SDBS); return 0; diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index e56b774e7cf9..7584f292e2fd 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -22,6 +22,7 @@ /* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */ +#include <linux/cdev.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> @@ -46,10 +47,11 @@ struct i2c_dev { struct list_head list; struct i2c_adapter *adap; - struct device *dev; + struct device dev; + struct cdev cdev; }; -#define I2C_MINORS 256 +#define I2C_MINORS MINORMASK static LIST_HEAD(i2c_dev_list); static DEFINE_SPINLOCK(i2c_dev_list_lock); @@ -89,12 +91,14 @@ static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap) return i2c_dev; } -static void return_i2c_dev(struct i2c_dev *i2c_dev) +static void put_i2c_dev(struct i2c_dev *i2c_dev, bool del_cdev) { spin_lock(&i2c_dev_list_lock); list_del(&i2c_dev->list); spin_unlock(&i2c_dev_list_lock); - kfree(i2c_dev); + if (del_cdev) + cdev_device_del(&i2c_dev->cdev, &i2c_dev->dev); + put_device(&i2c_dev->dev); } static ssize_t name_show(struct device *dev, @@ -490,13 +494,8 @@ static int i2cdev_open(struct inode *inode, struct file *file) unsigned int minor = iminor(inode); struct i2c_client *client; struct i2c_adapter *adap; - struct i2c_dev *i2c_dev; - - i2c_dev = i2c_dev_get_by_minor(minor); - if (!i2c_dev) - return -ENODEV; - adap = i2c_get_adapter(i2c_dev->adap->nr); + adap = i2c_get_adapter(minor); if (!adap) return -ENODEV; @@ -545,6 +544,14 @@ static const struct file_operations i2cdev_fops = { static struct class *i2c_dev_class; +static void i2cdev_dev_release(struct device *dev) +{ + struct i2c_dev *i2c_dev; + + i2c_dev = container_of(dev, struct i2c_dev, dev); + kfree(i2c_dev); +} + static int i2cdev_attach_adapter(struct device *dev, void *dummy) { struct i2c_adapter *adap; @@ -559,21 +566,25 @@ static int i2cdev_attach_adapter(struct device *dev, void *dummy) if (IS_ERR(i2c_dev)) return PTR_ERR(i2c_dev); - /* register this i2c device with the driver core */ - i2c_dev->dev = device_create(i2c_dev_class, &adap->dev, - MKDEV(I2C_MAJOR, adap->nr), NULL, - "i2c-%d", adap->nr); - if (IS_ERR(i2c_dev->dev)) { - res = PTR_ERR(i2c_dev->dev); - goto error; + cdev_init(&i2c_dev->cdev, &i2cdev_fops); + i2c_dev->cdev.owner = THIS_MODULE; + + device_initialize(&i2c_dev->dev); + i2c_dev->dev.devt = MKDEV(I2C_MAJOR, adap->nr); + i2c_dev->dev.class = i2c_dev_class; + i2c_dev->dev.parent = &adap->dev; + i2c_dev->dev.release = i2cdev_dev_release; + dev_set_name(&i2c_dev->dev, "i2c-%d", adap->nr); + + res = cdev_device_add(&i2c_dev->cdev, &i2c_dev->dev); + if (res) { + put_i2c_dev(i2c_dev, false); + return res; } pr_debug("i2c-dev: adapter [%s] registered as minor %d\n", adap->name, adap->nr); return 0; -error: - return_i2c_dev(i2c_dev); - return res; } static int i2cdev_detach_adapter(struct device *dev, void *dummy) @@ -589,8 +600,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy) if (!i2c_dev) /* attach_adapter must have failed */ return 0; - return_i2c_dev(i2c_dev); - device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); + put_i2c_dev(i2c_dev, true); pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name); return 0; @@ -627,7 +637,7 @@ static int __init i2c_dev_init(void) printk(KERN_INFO "i2c /dev entries driver\n"); - res = register_chrdev(I2C_MAJOR, "i2c", &i2cdev_fops); + res = register_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS, "i2c"); if (res) goto out; @@ -651,7 +661,7 @@ static int __init i2c_dev_init(void) out_unreg_class: class_destroy(i2c_dev_class); out_unreg_chrdev: - unregister_chrdev(I2C_MAJOR, "i2c"); + unregister_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS); out: printk(KERN_ERR "%s: Driver Initialisation failed\n", __FILE__); return res; @@ -662,7 +672,7 @@ static void __exit i2c_dev_exit(void) bus_unregister_notifier(&i2c_bus_type, &i2cdev_notifier); i2c_for_each_dev(NULL, i2cdev_detach_adapter); class_destroy(i2c_dev_class); - unregister_chrdev(I2C_MAJOR, "i2c"); + unregister_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS); } MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and " diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index ec7ddf867349..e5e231b6476e 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -198,6 +198,14 @@ struct bmc150_accel_data { struct mutex mutex; u8 fifo_mode, watermark; s16 buffer[8]; + /* + * Ensure there is sufficient space and correct alignment for + * the timestamp if enabled + */ + struct { + __le16 channels[3]; + s64 ts __aligned(8); + } scan; u8 bw_bits; u32 slope_dur; u32 slope_thres; @@ -924,15 +932,16 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev, * now. */ for (i = 0; i < count; i++) { - u16 sample[8]; int j, bit; j = 0; for_each_set_bit(bit, indio_dev->active_scan_mask, indio_dev->masklength) - memcpy(&sample[j++], &buffer[i * 3 + bit], 2); + memcpy(&data->scan.channels[j++], &buffer[i * 3 + bit], + sizeof(data->scan.channels[0])); - iio_push_to_buffers_with_timestamp(indio_dev, sample, tstamp); + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, + tstamp); tstamp += sample_period; } diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 1eccc2dcf14c..d44c1b3a131c 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -96,6 +96,12 @@ struct mma8452_data { u8 ctrl_reg1; u8 data_cfg; const struct mma_chip_info *chip_info; + + /* Ensure correct alignment of time stamp when present */ + struct { + __be16 channels[3]; + s64 ts __aligned(8); + } buffer; }; /** @@ -700,14 +706,13 @@ static irqreturn_t mma8452_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct mma8452_data *data = iio_priv(indio_dev); - u8 buffer[16]; /* 3 16-bit channels + padding + ts */ int ret; - ret = mma8452_read(data, (__be16 *)buffer); + ret = mma8452_read(data, data->buffer.channels); if (ret < 0) goto done; - iio_push_to_buffers_with_timestamp(indio_dev, buffer, + iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer, iio_get_time_ns()); done: diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 91d34ed756ea..fe0c5a155e21 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -579,7 +579,7 @@ static const struct iio_info ad7797_info = { .read_raw = &ad7793_read_raw, .write_raw = &ad7793_write_raw, .write_raw_get_fmt = &ad7793_write_raw_get_fmt, - .attrs = &ad7793_attribute_group, + .attrs = &ad7797_attribute_group, .validate_trigger = ad_sd_validate_trigger, .driver_module = THIS_MODULE, }; diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c index 3555122008b4..26fc1021a2c2 100644 --- a/drivers/iio/adc/mcp3422.c +++ b/drivers/iio/adc/mcp3422.c @@ -98,16 +98,12 @@ static int mcp3422_update_config(struct mcp3422 *adc, u8 newconfig) { int ret; - mutex_lock(&adc->lock); - ret = i2c_master_send(adc->i2c, &newconfig, 1); if (ret > 0) { adc->config = newconfig; ret = 0; } - mutex_unlock(&adc->lock); - return ret; } @@ -140,6 +136,8 @@ static int mcp3422_read_channel(struct mcp3422 *adc, u8 config; u8 req_channel = channel->channel; + mutex_lock(&adc->lock); + if (req_channel != MCP3422_CHANNEL(adc->config)) { config = adc->config; config &= ~MCP3422_CHANNEL_MASK; @@ -147,12 +145,18 @@ static int mcp3422_read_channel(struct mcp3422 *adc, config &= ~MCP3422_PGA_MASK; config |= MCP3422_PGA_VALUE(adc->pga[req_channel]); ret = mcp3422_update_config(adc, config); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&adc->lock); return ret; + } msleep(mcp3422_read_times[MCP3422_SAMPLE_RATE(adc->config)]); } - return mcp3422_read(adc, value, &config); + ret = mcp3422_read(adc, value, &config); + + mutex_unlock(&adc->lock); + + return ret; } static int mcp3422_read_raw(struct iio_dev *iio, diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 6398e86a272b..182c3132cd30 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -660,7 +660,7 @@ static int xadc_trigger_set_state(struct iio_trigger *trigger, bool state) spin_lock_irqsave(&xadc->lock, flags); xadc_read_reg(xadc, XADC_AXI_REG_IPIER, &val); - xadc_write_reg(xadc, XADC_AXI_REG_IPISR, val & XADC_AXI_INT_EOS); + xadc_write_reg(xadc, XADC_AXI_REG_IPISR, XADC_AXI_INT_EOS); if (state) val |= XADC_AXI_INT_EOS; else @@ -709,13 +709,14 @@ static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode) { uint16_t val; + /* Powerdown the ADC-B when it is not needed. */ switch (seq_mode) { case XADC_CONF1_SEQ_SIMULTANEOUS: case XADC_CONF1_SEQ_INDEPENDENT: - val = XADC_CONF2_PD_ADC_B; + val = 0; break; default: - val = 0; + val = XADC_CONF2_PD_ADC_B; break; } @@ -784,6 +785,16 @@ static int xadc_preenable(struct iio_dev *indio_dev) if (ret) goto err; + /* + * In simultaneous mode the upper and lower aux channels are samples at + * the same time. In this mode the upper 8 bits in the sequencer + * register are don't care and the lower 8 bits control two channels + * each. As such we must set the bit if either the channel in the lower + * group or the upper group is enabled. + */ + if (seq_mode == XADC_CONF1_SEQ_SIMULTANEOUS) + scan_mask = ((scan_mask >> 8) | scan_mask) & 0xff0000; + ret = xadc_write_adc_reg(xadc, XADC_REG_SEQ(1), scan_mask >> 16); if (ret) goto err; diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index b9d1e5c58ec5..9f5825f4fc0e 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1218,13 +1218,16 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ltr501_data *data = iio_priv(indio_dev); - u16 buf[8]; + struct { + u16 channels[3]; + s64 ts __aligned(8); + } scan; __le16 als_buf[2]; u8 mask = 0; int j = 0; int ret, psdata; - memset(buf, 0, sizeof(buf)); + memset(&scan, 0, sizeof(scan)); /* figure out which data needs to be ready */ if (test_bit(0, indio_dev->active_scan_mask) || @@ -1243,9 +1246,9 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) if (ret < 0) return ret; if (test_bit(0, indio_dev->active_scan_mask)) - buf[j++] = le16_to_cpu(als_buf[1]); + scan.channels[j++] = le16_to_cpu(als_buf[1]); if (test_bit(1, indio_dev->active_scan_mask)) - buf[j++] = le16_to_cpu(als_buf[0]); + scan.channels[j++] = le16_to_cpu(als_buf[0]); } if (mask & LTR501_STATUS_PS_RDY) { @@ -1253,10 +1256,10 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) &psdata, 2); if (ret < 0) goto done; - buf[j++] = psdata & LTR501_PS_DATA_MASK; + scan.channels[j++] = psdata & LTR501_PS_DATA_MASK; } - iio_push_to_buffers_with_timestamp(indio_dev, buf, iio_get_time_ns()); + iio_push_to_buffers_with_timestamp(indio_dev, &scan, iio_get_time_ns()); done: iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index c9d85bbc9230..a17891511be5 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -56,7 +56,6 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, u8 rdy_mask, u8 data_reg, int *val) { int tries = 20; - __be16 buf; int ret; ret = i2c_smbus_write_byte_data(data->client, VCNL4000_COMMAND, @@ -80,12 +79,11 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, return -EIO; } - ret = i2c_smbus_read_i2c_block_data(data->client, - data_reg, sizeof(buf), (u8 *) &buf); + ret = i2c_smbus_read_word_swapped(data->client, data_reg); if (ret < 0) return ret; - *val = be16_to_cpu(buf); + *val = ret; return 0; } diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 68835de07e07..a8349100854e 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -293,9 +293,9 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, fl6.saddr = src_in->sin6_addr; fl6.flowi6_oif = addr->bound_dev_if; - ret = ipv6_stub->ipv6_dst_lookup(addr->net, NULL, &dst, &fl6); - if (ret < 0) - goto put; + dst = ipv6_stub->ipv6_dst_lookup_flow(addr->net, NULL, &fl6, NULL); + if (IS_ERR(dst)) + return PTR_ERR(dst); if (ipv6_addr_any(&fl6.saddr)) { ret = ipv6_dev_get_saddr(addr->net, ip6_dst_idev(dst)->dev, diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 616173b7a5e8..c26fdcb7dddf 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2912,6 +2912,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info, DMA_FROM_DEVICE); if (unlikely(ib_dma_mapping_error(qp_info->port_priv->device, sg_list.addr))) { + kfree(mad_priv); ret = -ENOMEM; break; } diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index de1c61b417d6..ada2e5009c86 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -327,7 +327,7 @@ int cxio_destroy_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq) kfree(cq->sw_queue); dma_free_coherent(&(rdev_p->rnic_info.pdev->dev), (1UL << (cq->size_log2)) - * sizeof(struct t3_cqe), cq->queue, + * sizeof(struct t3_cqe) + 1, cq->queue, dma_unmap_addr(cq, mapping)); cxio_hal_put_cqid(rdev_p->rscp, cq->cqid); return err; diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c index fc21bdbb8b32..005ea5524e09 100644 --- a/drivers/infiniband/hw/mlx4/ah.c +++ b/drivers/infiniband/hw/mlx4/ah.c @@ -107,6 +107,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr return ERR_PTR(ret); ah->av.eth.gid_index = ret; ah->av.eth.vlan = cpu_to_be16(vlan_tag); + ah->av.eth.hop_limit = ah_attr->grh.hop_limit; if (ah_attr->static_rate) { ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET; while (ah->av.eth.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET && diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 6968154a073e..ac9f173c4311 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1435,8 +1435,9 @@ static int __mlx4_ib_create_default_rules( int i; for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { + union ib_flow_spec ib_spec = {}; int ret; - union ib_flow_spec ib_spec; + switch (pdefault_rules->rules_create_list[i]) { case 0: /* no rule */ diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index bf52e35dd506..deeae49ed44d 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -246,8 +246,11 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, } if (flags & IB_MR_REREG_ACCESS) { - if (ib_access_writable(mr_access_flags) && !mmr->umem->writable) - return -EPERM; + if (ib_access_writable(mr_access_flags) && + !mmr->umem->writable) { + err = -EPERM; + goto release_mpt_entry; + } err = mlx4_mr_hw_change_access(dev->dev, *pmpt_entry, convert_access(mr_access_flags)); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 348828271cb0..ecd461ee6dbe 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -2156,6 +2156,7 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp, int send_size; int header_size; int spc; + int err; int i; if (wr->wr.opcode != IB_WR_SEND) @@ -2190,7 +2191,9 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp, sqp->ud_header.lrh.virtual_lane = 0; sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED); - ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey); + err = ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey); + if (err) + return err; sqp->ud_header.bth.pkey = cpu_to_be16(pkey); if (sqp->qp.mlx4_ib_qp_type == MLX4_IB_QPT_TUN_SMI_OWNER) sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn); @@ -2423,9 +2426,14 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr, } sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED); if (!sqp->qp.ibqp.qp_num) - ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index, &pkey); + err = ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index, + &pkey); else - ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index, &pkey); + err = ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index, + &pkey); + if (err) + return err; + sqp->ud_header.bth.pkey = cpu_to_be16(pkey); sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn); sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1)); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index dbd5adc62c3f..1b731ab63ede 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -905,7 +905,7 @@ static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, { struct mlx5_ib_dev *dev = container_of(device, struct mlx5_ib_dev, ib_dev.dev); - return sprintf(buf, "%d.%d.%d\n", fw_rev_maj(dev->mdev), + return sprintf(buf, "%d.%d.%04d\n", fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); } diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index eac5f5eff8d2..b8e71187c700 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -271,8 +271,10 @@ static int sq_overhead(enum ib_qp_type qp_type) /* fall through */ case IB_QPT_RC: size += sizeof(struct mlx5_wqe_ctrl_seg) + - sizeof(struct mlx5_wqe_atomic_seg) + - sizeof(struct mlx5_wqe_raddr_seg); + max(sizeof(struct mlx5_wqe_atomic_seg) + + sizeof(struct mlx5_wqe_raddr_seg), + sizeof(struct mlx5_wqe_umr_ctrl_seg) + + sizeof(struct mlx5_mkey_seg)); break; case IB_QPT_XRC_TGT: @@ -280,9 +282,9 @@ static int sq_overhead(enum ib_qp_type qp_type) case IB_QPT_UC: size += sizeof(struct mlx5_wqe_ctrl_seg) + - sizeof(struct mlx5_wqe_raddr_seg) + - sizeof(struct mlx5_wqe_umr_ctrl_seg) + - sizeof(struct mlx5_mkey_seg); + max(sizeof(struct mlx5_wqe_raddr_seg), + sizeof(struct mlx5_wqe_umr_ctrl_seg) + + sizeof(struct mlx5_mkey_seg)); break; case IB_QPT_UD: diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c index 3ae82202cdb5..b33565f4409f 100644 --- a/drivers/infiniband/hw/qib/qib_sysfs.c +++ b/drivers/infiniband/hw/qib/qib_sysfs.c @@ -703,7 +703,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num, qib_dev_err(dd, "Skipping linkcontrol sysfs info, (err %d) port %u\n", ret, port_num); - goto bail; + goto bail_link; } kobject_uevent(&ppd->pport_kobj, KOBJ_ADD); @@ -713,7 +713,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num, qib_dev_err(dd, "Skipping sl2vl sysfs info, (err %d) port %u\n", ret, port_num); - goto bail_link; + goto bail_sl; } kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD); @@ -723,7 +723,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num, qib_dev_err(dd, "Skipping diag_counters sysfs info, (err %d) port %u\n", ret, port_num); - goto bail_sl; + goto bail_diagc; } kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD); @@ -736,7 +736,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num, qib_dev_err(dd, "Skipping Congestion Control sysfs info, (err %d) port %u\n", ret, port_num); - goto bail_diagc; + goto bail_cc; } kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD); @@ -818,6 +818,7 @@ void qib_verbs_unregister_sysfs(struct qib_devdata *dd) &cc_table_bin_attr); kobject_put(&ppd->pport_cc_kobj); } + kobject_put(&ppd->diagc_kobj); kobject_put(&ppd->sl2vl_kobj); kobject_put(&ppd->pport_kobj); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index ffd88af80de3..bf39ce88360a 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -945,19 +945,6 @@ static inline int update_parent_pkey(struct ipoib_dev_priv *priv) */ priv->dev->broadcast[8] = priv->pkey >> 8; priv->dev->broadcast[9] = priv->pkey & 0xff; - - /* - * Update the broadcast address in the priv->broadcast object, - * in case it already exists, otherwise no one will do that. - */ - if (priv->broadcast) { - spin_lock_irq(&priv->lock); - memcpy(priv->broadcast->mcmember.mgid.raw, - priv->dev->broadcast + 4, - sizeof(union ib_gid)); - spin_unlock_irq(&priv->lock); - } - return 0; } diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index e9ae3d500a55..700f018df668 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -342,20 +342,6 @@ static int evdev_fasync(int fd, struct file *file, int on) return fasync_helper(fd, file, on, &client->fasync); } -static int evdev_flush(struct file *file, fl_owner_t id) -{ - struct evdev_client *client = file->private_data; - struct evdev *evdev = client->evdev; - - mutex_lock(&evdev->mutex); - - if (evdev->exist && !client->revoked) - input_flush_device(&evdev->handle, file); - - mutex_unlock(&evdev->mutex); - return 0; -} - static void evdev_free(struct device *dev) { struct evdev *evdev = container_of(dev, struct evdev, dev); @@ -469,6 +455,10 @@ static int evdev_release(struct inode *inode, struct file *file) unsigned int i; mutex_lock(&evdev->mutex); + + if (evdev->exist && !client->revoked) + input_flush_device(&evdev->handle, file); + evdev_ungrab(evdev, client); mutex_unlock(&evdev->mutex); @@ -1331,7 +1321,6 @@ static const struct file_operations evdev_fops = { .compat_ioctl = evdev_ioctl_compat, #endif .fasync = evdev_fasync, - .flush = evdev_flush, .llseek = no_llseek, }; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 26476a64e663..54a6691d7d87 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -476,6 +476,16 @@ static const u8 xboxone_fw2015_init[] = { }; /* + * This packet is required for Xbox One S (0x045e:0x02ea) + * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to + * initialize the controller that was previously used in + * Bluetooth mode. + */ +static const u8 xboxone_s_init[] = { + 0x05, 0x20, 0x00, 0x0f, 0x06 +}; + +/* * This packet is required for the Titanfall 2 Xbox One pads * (0x0e6f:0x0165) to finish initialization and for Hori pads * (0x0f0d:0x0067) to make the analog sticks work. @@ -533,6 +543,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = { XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init), XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init), XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init), + XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init), + XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init), XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1), XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2), XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init), diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index bef317ff7352..b9f01bd1b7ef 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -96,7 +96,7 @@ struct gpio_keys_drvdata { * Return value of this function can be used to allocate bitmap * large enough to hold all bits for given type. */ -static inline int get_n_events_by_type(int type) +static int get_n_events_by_type(int type) { BUG_ON(type != EV_SW && type != EV_KEY); @@ -104,6 +104,22 @@ static inline int get_n_events_by_type(int type) } /** + * get_bm_events_by_type() - returns bitmap of supported events per @type + * @input: input device from which bitmap is retrieved + * @type: type of button (%EV_KEY, %EV_SW) + * + * Return value of this function can be used to allocate bitmap + * large enough to hold all bits for given type. + */ +static const unsigned long *get_bm_events_by_type(struct input_dev *dev, + int type) +{ + BUG_ON(type != EV_SW && type != EV_KEY); + + return (type == EV_KEY) ? dev->keybit : dev->swbit; +} + +/** * gpio_keys_disable_button() - disables given GPIO button * @bdata: button data for button to be disabled * @@ -213,6 +229,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, const char *buf, unsigned int type) { int n_events = get_n_events_by_type(type); + const unsigned long *bitmap = get_bm_events_by_type(ddata->input, type); unsigned long *bits; ssize_t error; int i; @@ -226,6 +243,11 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, goto out; /* First validate */ + if (!bitmap_subset(bits, bitmap, n_events)) { + error = -EINVAL; + goto out; + } + for (i = 0; i < ddata->pdata->nbuttons; i++) { struct gpio_button_data *bdata = &ddata->data[i]; @@ -239,11 +261,6 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, } } - if (i == ddata->pdata->nbuttons) { - error = -EINVAL; - goto out; - } - mutex_lock(&ddata->disable_lock); for (i = 0; i < ddata->pdata->nbuttons; i++) { diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index ad18dab0ac47..5bd9633541b0 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1911,7 +1911,7 @@ static int psmouse_get_maxproto(char *buffer, const struct kernel_param *kp) { int type = *((unsigned int *)kp->arg); - return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name); + return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name); } static int __init psmouse_init(void) diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index 11c32ac8234b..779d0b9341c0 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -454,7 +454,7 @@ static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data, fsp_reg_write_enable(psmouse, false); - return count; + return retval; } PSMOUSE_DEFINE_WO_ATTR(setreg, S_IWUSR, NULL, fsp_attr_set_setreg); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index a4e76084a2af..e5799639fb54 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -430,6 +430,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, }, { + /* Lenovo XiaoXin Air 12 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80UN"), + }, + }, + { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), @@ -545,6 +552,14 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"), }, }, + { + /* Entroware Proteus */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Entroware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"), + DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"), + }, + }, { } }; @@ -738,6 +753,21 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"), }, }, + { + /* Lenovo ThinkPad Twist S230u */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"), + }, + }, + { + /* Entroware Proteus */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Entroware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"), + DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"), + }, + }, { } }; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index a9d97d577a7e..5e535d0bbe16 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -822,16 +822,22 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev, int error; error = device_property_read_u32(dev, "threshold", &val); - if (!error) - reg_addr->reg_threshold = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, val); + tsdata->threshold = val; + } error = device_property_read_u32(dev, "gain", &val); - if (!error) - reg_addr->reg_gain = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, val); + tsdata->gain = val; + } error = device_property_read_u32(dev, "offset", &val); - if (!error) - reg_addr->reg_offset = val; + if (!error) { + edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val); + tsdata->offset = val; + } } static void diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 2c41107240de..499402a975b3 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -197,6 +197,7 @@ static const struct usb_device_id usbtouch_devices[] = { #endif #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH + {USB_DEVICE(0x255e, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, {USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, {USB_DEVICE(0x6615, 0x0012), .driver_info = DEVTYPE_IRTOUCH_HIRES}, diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 347a3c17f73a..087a092a6e6e 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -152,12 +152,15 @@ int dma_direction_to_prot(enum dma_data_direction dir, bool coherent) } } -static struct iova *__alloc_iova(struct iova_domain *iovad, size_t size, +static struct iova *__alloc_iova(struct iommu_domain *domain, size_t size, dma_addr_t dma_limit) { + struct iova_domain *iovad = domain->iova_cookie; unsigned long shift = iova_shift(iovad); unsigned long length = iova_align(iovad, size) >> shift; + if (domain->geometry.force_aperture) + dma_limit = min(dma_limit, domain->geometry.aperture_end); /* * Enforce size-alignment to be safe - there could perhaps be an * attribute to control this per-device, or at least per-domain... @@ -297,7 +300,7 @@ struct page **iommu_dma_alloc(struct device *dev, size_t size, if (!pages) return NULL; - iova = __alloc_iova(iovad, size, dev->coherent_dma_mask); + iova = __alloc_iova(domain, size, dev->coherent_dma_mask); if (!iova) goto out_free_pages; @@ -369,7 +372,7 @@ dma_addr_t iommu_dma_map_page(struct device *dev, struct page *page, phys_addr_t phys = page_to_phys(page) + offset; size_t iova_off = iova_offset(iovad, phys); size_t len = iova_align(iovad, size + iova_off); - struct iova *iova = __alloc_iova(iovad, len, dma_get_mask(dev)); + struct iova *iova = __alloc_iova(domain, len, dma_get_mask(dev)); if (!iova) return DMA_ERROR_CODE; @@ -483,7 +486,7 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, prev = s; } - iova = __alloc_iova(iovad, iova_len, dma_get_mask(dev)); + iova = __alloc_iova(domain, iova_len, dma_get_mask(dev)); if (!iova) goto out_restore_sg; diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index ac596928f6b4..ce125ec23d2a 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -486,12 +486,18 @@ static void iommu_enable_irq_remapping(struct intel_iommu *iommu) /* Enable interrupt-remapping */ iommu->gcmd |= DMA_GCMD_IRE; - iommu->gcmd &= ~DMA_GCMD_CFI; /* Block compatibility-format MSIs */ writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); - IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl, (sts & DMA_GSTS_IRES), sts); + /* Block compatibility-format MSIs */ + if (sts & DMA_GSTS_CFIS) { + iommu->gcmd &= ~DMA_GCMD_CFI; + writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, !(sts & DMA_GSTS_CFIS), sts); + } + /* * With CFI clear in the Global Command register, we should be * protected from dangerous (i.e. compatibility) interrupts diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 589207176ffa..a1e7a73930fa 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -206,7 +206,7 @@ again: mutex_lock(&iommu_group_mutex); ida_remove(&iommu_group_ida, group->id); mutex_unlock(&iommu_group_mutex); - kfree(group); + kobject_put(&group->kobj); return ERR_PTR(ret); } diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 9bc20e2119a3..82bf208295f4 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -101,8 +101,11 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf, mutex_lock(&iommu_debug_lock); bytes = omap_iommu_dump_ctx(obj, p, count); + if (bytes < 0) + goto err; bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes); +err: mutex_unlock(&iommu_debug_lock); kfree(buf); diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c index 48872997d6b4..533b255c27cd 100644 --- a/drivers/leds/leds-lm355x.c +++ b/drivers/leds/leds-lm355x.c @@ -177,18 +177,19 @@ static int lm355x_chip_init(struct lm355x_chip_data *chip) /* input and output pins configuration */ switch (chip->type) { case CHIP_LM3554: - reg_val = pdata->pin_tx2 | pdata->ntc_pin; + reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin; ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val); if (ret < 0) goto out; - reg_val = pdata->pass_mode; + reg_val = (u32)pdata->pass_mode; ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val); if (ret < 0) goto out; break; case CHIP_LM3556: - reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode; + reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin | + (u32)pdata->pass_mode; ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val); if (ret < 0) goto out; diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c index 3024685e4cca..8f129a33592f 100644 --- a/drivers/macintosh/windfarm_pm112.c +++ b/drivers/macintosh/windfarm_pm112.c @@ -13,6 +13,7 @@ #include <linux/device.h> #include <linux/platform_device.h> #include <linux/reboot.h> +#include <linux/slab.h> #include <asm/prom.h> #include <asm/smu.h> @@ -133,14 +134,6 @@ static int create_cpu_loop(int cpu) s32 tmax; int fmin; - /* Get PID params from the appropriate SAT */ - hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL); - if (hdr == NULL) { - printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n"); - return -EINVAL; - } - piddata = (struct smu_sdbp_cpupiddata *)&hdr[1]; - /* Get FVT params to get Tmax; if not found, assume default */ hdr = smu_sat_get_sdb_partition(chip, 0xC4 + core, NULL); if (hdr) { @@ -153,6 +146,16 @@ static int create_cpu_loop(int cpu) if (tmax < cpu_all_tmax) cpu_all_tmax = tmax; + kfree(hdr); + + /* Get PID params from the appropriate SAT */ + hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL); + if (hdr == NULL) { + printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n"); + return -EINVAL; + } + piddata = (struct smu_sdbp_cpupiddata *)&hdr[1]; + /* * Darwin has a minimum fan speed of 1000 rpm for the 4-way and * 515 for the 2-way. That appears to be overkill, so for now, @@ -175,6 +178,9 @@ static int create_cpu_loop(int cpu) pid.min = fmin; wf_cpu_pid_init(&cpu_pid[cpu], &pid); + + kfree(hdr); + return 0; } diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 158eae17031c..144043621429 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -317,7 +317,7 @@ int bch_btree_keys_alloc(struct btree_keys *b, unsigned page_order, gfp_t gfp) b->page_order = page_order; - t->data = (void *) __get_free_pages(gfp, b->page_order); + t->data = (void *) __get_free_pages(__GFP_COMP|gfp, b->page_order); if (!t->data) goto err; diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 5c93582c71cc..122d97522094 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -795,7 +795,7 @@ int bch_btree_cache_alloc(struct cache_set *c) mutex_init(&c->verify_lock); c->verify_ondisk = (void *) - __get_free_pages(GFP_KERNEL, ilog2(bucket_pages(c))); + __get_free_pages(GFP_KERNEL|__GFP_COMP, ilog2(bucket_pages(c))); c->verify_data = mca_bucket_alloc(c, &ZERO_KEY, GFP_KERNEL); @@ -1375,7 +1375,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, if (__set_blocks(n1, n1->keys + n2->keys, block_bytes(b->c)) > btree_blocks(new_nodes[i])) - goto out_nocoalesce; + goto out_unlock_nocoalesce; keys = n2->keys; /* Take the key of the node we're getting rid of */ @@ -1404,7 +1404,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, if (__bch_keylist_realloc(&keylist, bkey_u64s(&new_nodes[i]->key))) - goto out_nocoalesce; + goto out_unlock_nocoalesce; bch_btree_node_write(new_nodes[i], &cl); bch_keylist_add(&keylist, &new_nodes[i]->key); @@ -1450,6 +1450,10 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, /* Invalidated our iterator */ return -EINTR; +out_unlock_nocoalesce: + for (i = 0; i < nodes; i++) + mutex_unlock(&new_nodes[i]->write_lock); + out_nocoalesce: closure_sync(&cl); bch_keylist_free(&keylist); diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 6f9db98f2dfd..1d798938e9df 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -838,8 +838,8 @@ int bch_journal_alloc(struct cache_set *c) j->w[1].c = c; if (!(init_fifo(&j->pin, JOURNAL_PIN, GFP_KERNEL)) || - !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS)) || - !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS))) + !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, JSET_BITS)) || + !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, JSET_BITS))) return -ENOMEM; return 0; diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index df8f1e69077f..f7f8fb079d2a 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1469,7 +1469,7 @@ void bch_cache_set_unregister(struct cache_set *c) } #define alloc_bucket_pages(gfp, c) \ - ((void *) __get_free_pages(__GFP_ZERO|gfp, ilog2(bucket_pages(c)))) + ((void *) __get_free_pages(__GFP_ZERO|__GFP_COMP|gfp, ilog2(bucket_pages(c)))) struct cache_set *bch_cache_set_alloc(struct cache_sb *sb) { @@ -1778,7 +1778,14 @@ found: sysfs_create_link(&c->kobj, &ca->kobj, buf)) goto err; - if (ca->sb.seq > c->sb.seq) { + /* + * A special case is both ca->sb.seq and c->sb.seq are 0, + * such condition happens on a new created cache device whose + * super block is never flushed yet. In this case c->sb.version + * and other members should be updated too, otherwise we will + * have a mistaken super block version in cache set. + */ + if (ca->sb.seq > c->sb.seq || c->sb.seq == 0) { c->sb.version = ca->sb.version; memcpy(c->sb.set_uuid, ca->sb.set_uuid, 16); c->sb.flags = ca->sb.flags; diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 905badc6cb17..216675b96e02 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -501,12 +501,16 @@ static int __create_persistent_data_objects(struct dm_cache_metadata *cmd, CACHE_MAX_CONCURRENT_LOCKS); if (IS_ERR(cmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(cmd->bm); + r = PTR_ERR(cmd->bm); + cmd->bm = NULL; + return r; } r = __open_or_format_metadata(cmd, may_format_device); - if (r) + if (r) { dm_block_manager_destroy(cmd->bm); + cmd->bm = NULL; + } return r; } diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 2711aa965445..266d366fc2f0 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -700,12 +700,16 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f THIN_MAX_CONCURRENT_LOCKS); if (IS_ERR(pmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(pmd->bm); + r = PTR_ERR(pmd->bm); + pmd->bm = NULL; + return r; } r = __open_or_format_metadata(pmd, format_device); - if (r) + if (r) { dm_block_manager_destroy(pmd->bm); + pmd->bm = NULL; + } return r; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c4d4cd38a58f..ff017d148323 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2192,7 +2192,7 @@ static void dm_request_fn(struct request_queue *q) goto out; delay_and_out: - blk_delay_queue(q, HZ / 100); + blk_delay_queue(q, 10); out: dm_put_live_table(md, srcu_idx); } diff --git a/drivers/md/md.c b/drivers/md/md.c index d59d79b77fd6..60161690e226 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7038,7 +7038,8 @@ static int md_open(struct block_device *bdev, fmode_t mode) */ mddev_put(mddev); /* Wait until bdev->bd_disk is definitely gone */ - flush_workqueue(md_misc_wq); + if (work_pending(&mddev->del_work)) + flush_workqueue(md_misc_wq); /* Then retry the open from the top */ return -ERESTARTSYS; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f061c81e15e1..99cd843351c2 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3345,6 +3345,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s, * is missing/faulty, then we need to read everything we can. */ if (sh->raid_conf->level != 6 && + sh->raid_conf->rmw_level != PARITY_DISABLE_RMW && sh->sector < sh->raid_conf->mddev->recovery_cp) /* reconstruct-write isn't being forced */ return 0; @@ -4479,7 +4480,7 @@ static void handle_stripe(struct stripe_head *sh) * or to load a block that is being partially written. */ if (s.to_read || s.non_overwrite - || (conf->level == 6 && s.to_write && s.failed) + || (s.to_write && s.failed) || (s.syncing && (s.uptodate + s.compute < disks)) || s.replacing || s.expanding) diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c index 247f0e7cb5f7..5d634706a7ea 100644 --- a/drivers/media/firewire/firedtv-fw.c +++ b/drivers/media/firewire/firedtv-fw.c @@ -271,6 +271,8 @@ static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) name_len = fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)); + if (name_len < 0) + return name_len; for (i = ARRAY_SIZE(model_names); --i; ) if (strlen(model_names[i]) <= name_len && strncmp(name, model_names[i], name_len) == 0) diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 7b39440192d6..0ca9506f4654 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -24,6 +24,7 @@ #include <linux/export.h> #include <linux/ioctl.h> #include <linux/media.h> +#include <linux/slab.h> #include <linux/types.h> #include <media/media-device.h> @@ -234,7 +235,7 @@ static long media_device_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct media_devnode *devnode = media_devnode_data(filp); - struct media_device *dev = to_media_device(devnode); + struct media_device *dev = devnode->media_dev; long ret; switch (cmd) { @@ -303,7 +304,7 @@ static long media_device_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct media_devnode *devnode = media_devnode_data(filp); - struct media_device *dev = to_media_device(devnode); + struct media_device *dev = devnode->media_dev; long ret; switch (cmd) { @@ -344,7 +345,8 @@ static const struct media_file_operations media_device_fops = { static ssize_t show_model(struct device *cd, struct device_attribute *attr, char *buf) { - struct media_device *mdev = to_media_device(to_media_devnode(cd)); + struct media_devnode *devnode = to_media_devnode(cd); + struct media_device *mdev = devnode->media_dev; return sprintf(buf, "%.*s\n", (int)sizeof(mdev->model), mdev->model); } @@ -372,6 +374,7 @@ static void media_device_release(struct media_devnode *mdev) int __must_check __media_device_register(struct media_device *mdev, struct module *owner) { + struct media_devnode *devnode; int ret; if (WARN_ON(mdev->dev == NULL || mdev->model[0] == 0)) @@ -382,17 +385,28 @@ int __must_check __media_device_register(struct media_device *mdev, spin_lock_init(&mdev->lock); mutex_init(&mdev->graph_mutex); + devnode = kzalloc(sizeof(*devnode), GFP_KERNEL); + if (!devnode) + return -ENOMEM; + /* Register the device node. */ - mdev->devnode.fops = &media_device_fops; - mdev->devnode.parent = mdev->dev; - mdev->devnode.release = media_device_release; - ret = media_devnode_register(&mdev->devnode, owner); - if (ret < 0) + mdev->devnode = devnode; + devnode->fops = &media_device_fops; + devnode->parent = mdev->dev; + devnode->release = media_device_release; + ret = media_devnode_register(mdev, devnode, owner); + if (ret < 0) { + /* devnode free is handled in media_devnode_*() */ + mdev->devnode = NULL; return ret; + } - ret = device_create_file(&mdev->devnode.dev, &dev_attr_model); + ret = device_create_file(&devnode->dev, &dev_attr_model); if (ret < 0) { - media_devnode_unregister(&mdev->devnode); + /* devnode free is handled in media_devnode_*() */ + mdev->devnode = NULL; + media_devnode_unregister_prepare(devnode); + media_devnode_unregister(devnode); return ret; } @@ -410,11 +424,16 @@ void media_device_unregister(struct media_device *mdev) struct media_entity *entity; struct media_entity *next; + /* Clear the devnode register bit to avoid races with media dev open */ + media_devnode_unregister_prepare(mdev->devnode); + list_for_each_entry_safe(entity, next, &mdev->entities, list) media_device_unregister_entity(entity); - device_remove_file(&mdev->devnode.dev, &dev_attr_model); - media_devnode_unregister(&mdev->devnode); + device_remove_file(&mdev->devnode->dev, &dev_attr_model); + media_devnode_unregister(mdev->devnode); + /* devnode free is handled in media_devnode_*() */ + mdev->devnode = NULL; } EXPORT_SYMBOL_GPL(media_device_unregister); diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index ebf9626e5ae5..e887120d19aa 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -44,6 +44,7 @@ #include <linux/uaccess.h> #include <media/media-devnode.h> +#include <media/media-device.h> #define MEDIA_NUM_DEVICES 256 #define MEDIA_NAME "media" @@ -59,21 +60,19 @@ static DECLARE_BITMAP(media_devnode_nums, MEDIA_NUM_DEVICES); /* Called when the last user of the media device exits. */ static void media_devnode_release(struct device *cd) { - struct media_devnode *mdev = to_media_devnode(cd); + struct media_devnode *devnode = to_media_devnode(cd); mutex_lock(&media_devnode_lock); - - /* Delete the cdev on this minor as well */ - cdev_del(&mdev->cdev); - /* Mark device node number as free */ - clear_bit(mdev->minor, media_devnode_nums); - + clear_bit(devnode->minor, media_devnode_nums); mutex_unlock(&media_devnode_lock); /* Release media_devnode and perform other cleanups as needed. */ - if (mdev->release) - mdev->release(mdev); + if (devnode->release) + devnode->release(devnode); + + kfree(devnode); + pr_debug("%s: Media Devnode Deallocated\n", __func__); } static struct bus_type media_bus_type = { @@ -83,37 +82,37 @@ static struct bus_type media_bus_type = { static ssize_t media_read(struct file *filp, char __user *buf, size_t sz, loff_t *off) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); - if (!mdev->fops->read) + if (!devnode->fops->read) return -EINVAL; - if (!media_devnode_is_registered(mdev)) + if (!media_devnode_is_registered(devnode)) return -EIO; - return mdev->fops->read(filp, buf, sz, off); + return devnode->fops->read(filp, buf, sz, off); } static ssize_t media_write(struct file *filp, const char __user *buf, size_t sz, loff_t *off) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); - if (!mdev->fops->write) + if (!devnode->fops->write) return -EINVAL; - if (!media_devnode_is_registered(mdev)) + if (!media_devnode_is_registered(devnode)) return -EIO; - return mdev->fops->write(filp, buf, sz, off); + return devnode->fops->write(filp, buf, sz, off); } static unsigned int media_poll(struct file *filp, struct poll_table_struct *poll) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); - if (!media_devnode_is_registered(mdev)) + if (!media_devnode_is_registered(devnode)) return POLLERR | POLLHUP; - if (!mdev->fops->poll) + if (!devnode->fops->poll) return DEFAULT_POLLMASK; - return mdev->fops->poll(filp, poll); + return devnode->fops->poll(filp, poll); } static long @@ -121,12 +120,12 @@ __media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg, long (*ioctl_func)(struct file *filp, unsigned int cmd, unsigned long arg)) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); if (!ioctl_func) return -ENOTTY; - if (!media_devnode_is_registered(mdev)) + if (!media_devnode_is_registered(devnode)) return -EIO; return ioctl_func(filp, cmd, arg); @@ -134,9 +133,9 @@ __media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg, static long media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); - return __media_ioctl(filp, cmd, arg, mdev->fops->ioctl); + return __media_ioctl(filp, cmd, arg, devnode->fops->ioctl); } #ifdef CONFIG_COMPAT @@ -144,9 +143,9 @@ static long media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) static long media_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); - return __media_ioctl(filp, cmd, arg, mdev->fops->compat_ioctl); + return __media_ioctl(filp, cmd, arg, devnode->fops->compat_ioctl); } #endif /* CONFIG_COMPAT */ @@ -154,7 +153,7 @@ static long media_compat_ioctl(struct file *filp, unsigned int cmd, /* Override for the open function */ static int media_open(struct inode *inode, struct file *filp) { - struct media_devnode *mdev; + struct media_devnode *devnode; int ret; /* Check if the media device is available. This needs to be done with @@ -164,23 +163,24 @@ static int media_open(struct inode *inode, struct file *filp) * a crash. */ mutex_lock(&media_devnode_lock); - mdev = container_of(inode->i_cdev, struct media_devnode, cdev); + devnode = container_of(inode->i_cdev, struct media_devnode, cdev); /* return ENXIO if the media device has been removed already or if it is not registered anymore. */ - if (!media_devnode_is_registered(mdev)) { + if (!media_devnode_is_registered(devnode)) { mutex_unlock(&media_devnode_lock); return -ENXIO; } /* and increase the device refcount */ - get_device(&mdev->dev); + get_device(&devnode->dev); mutex_unlock(&media_devnode_lock); - filp->private_data = mdev; + filp->private_data = devnode; - if (mdev->fops->open) { - ret = mdev->fops->open(filp); + if (devnode->fops->open) { + ret = devnode->fops->open(filp); if (ret) { - put_device(&mdev->dev); + put_device(&devnode->dev); + filp->private_data = NULL; return ret; } } @@ -191,15 +191,18 @@ static int media_open(struct inode *inode, struct file *filp) /* Override for the release function */ static int media_release(struct inode *inode, struct file *filp) { - struct media_devnode *mdev = media_devnode_data(filp); + struct media_devnode *devnode = media_devnode_data(filp); + + if (devnode->fops->release) + devnode->fops->release(filp); - if (mdev->fops->release) - mdev->fops->release(filp); + filp->private_data = NULL; /* decrease the refcount unconditionally since the release() return value is ignored. */ - put_device(&mdev->dev); - filp->private_data = NULL; + put_device(&devnode->dev); + + pr_debug("%s: Media Release\n", __func__); return 0; } @@ -219,7 +222,8 @@ static const struct file_operations media_devnode_fops = { /** * media_devnode_register - register a media device node - * @mdev: media device node structure we want to register + * @media_dev: struct media_device we want to register a device node + * @devnode: media device node structure we want to register * * The registration code assigns minor numbers and registers the new device node * with the kernel. An error is returned if no free minor number can be found, @@ -231,7 +235,8 @@ static const struct file_operations media_devnode_fops = { * the media_devnode structure is *not* called, so the caller is responsible for * freeing any data. */ -int __must_check media_devnode_register(struct media_devnode *mdev, +int __must_check media_devnode_register(struct media_device *mdev, + struct media_devnode *devnode, struct module *owner) { int minor; @@ -243,68 +248,89 @@ int __must_check media_devnode_register(struct media_devnode *mdev, if (minor == MEDIA_NUM_DEVICES) { mutex_unlock(&media_devnode_lock); pr_err("could not get a free minor\n"); + kfree(devnode); return -ENFILE; } set_bit(minor, media_devnode_nums); mutex_unlock(&media_devnode_lock); - mdev->minor = minor; + devnode->minor = minor; + devnode->media_dev = mdev; + + /* Part 1: Initialize dev now to use dev.kobj for cdev.kobj.parent */ + devnode->dev.bus = &media_bus_type; + devnode->dev.devt = MKDEV(MAJOR(media_dev_t), devnode->minor); + devnode->dev.release = media_devnode_release; + if (devnode->parent) + devnode->dev.parent = devnode->parent; + dev_set_name(&devnode->dev, "media%d", devnode->minor); + device_initialize(&devnode->dev); /* Part 2: Initialize and register the character device */ - cdev_init(&mdev->cdev, &media_devnode_fops); - mdev->cdev.owner = owner; + cdev_init(&devnode->cdev, &media_devnode_fops); + devnode->cdev.owner = owner; + devnode->cdev.kobj.parent = &devnode->dev.kobj; - ret = cdev_add(&mdev->cdev, MKDEV(MAJOR(media_dev_t), mdev->minor), 1); + ret = cdev_add(&devnode->cdev, MKDEV(MAJOR(media_dev_t), devnode->minor), 1); if (ret < 0) { pr_err("%s: cdev_add failed\n", __func__); - goto error; + goto cdev_add_error; } - /* Part 3: Register the media device */ - mdev->dev.bus = &media_bus_type; - mdev->dev.devt = MKDEV(MAJOR(media_dev_t), mdev->minor); - mdev->dev.release = media_devnode_release; - if (mdev->parent) - mdev->dev.parent = mdev->parent; - dev_set_name(&mdev->dev, "media%d", mdev->minor); - ret = device_register(&mdev->dev); + /* Part 3: Add the media device */ + ret = device_add(&devnode->dev); if (ret < 0) { - pr_err("%s: device_register failed\n", __func__); - goto error; + pr_err("%s: device_add failed\n", __func__); + goto device_add_error; } /* Part 4: Activate this minor. The char device can now be used. */ - set_bit(MEDIA_FLAG_REGISTERED, &mdev->flags); + set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); return 0; -error: - cdev_del(&mdev->cdev); - clear_bit(mdev->minor, media_devnode_nums); +device_add_error: + cdev_del(&devnode->cdev); +cdev_add_error: + mutex_lock(&media_devnode_lock); + clear_bit(devnode->minor, media_devnode_nums); + devnode->media_dev = NULL; + mutex_unlock(&media_devnode_lock); + + put_device(&devnode->dev); return ret; } +void media_devnode_unregister_prepare(struct media_devnode *devnode) +{ + /* Check if devnode was ever registered at all */ + if (!media_devnode_is_registered(devnode)) + return; + + mutex_lock(&media_devnode_lock); + clear_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); + mutex_unlock(&media_devnode_lock); +} + /** * media_devnode_unregister - unregister a media device node - * @mdev: the device node to unregister + * @devnode: the device node to unregister * * This unregisters the passed device. Future open calls will be met with * errors. * - * This function can safely be called if the device node has never been - * registered or has already been unregistered. + * Should be called after media_devnode_unregister_prepare() */ -void media_devnode_unregister(struct media_devnode *mdev) +void media_devnode_unregister(struct media_devnode *devnode) { - /* Check if mdev was ever registered at all */ - if (!media_devnode_is_registered(mdev)) - return; - mutex_lock(&media_devnode_lock); - clear_bit(MEDIA_FLAG_REGISTERED, &mdev->flags); + /* Delete the cdev on this minor as well */ + cdev_del(&devnode->cdev); mutex_unlock(&media_devnode_lock); - device_unregister(&mdev->dev); + device_del(&devnode->dev); + devnode->media_dev = NULL; + put_device(&devnode->dev); } /* diff --git a/drivers/media/pci/cx23885/cx23885-av.c b/drivers/media/pci/cx23885/cx23885-av.c index 877dad89107e..e7d4406f9abd 100644 --- a/drivers/media/pci/cx23885/cx23885-av.c +++ b/drivers/media/pci/cx23885/cx23885-av.c @@ -24,7 +24,7 @@ void cx23885_av_work_handler(struct work_struct *work) { struct cx23885_dev *dev = container_of(work, struct cx23885_dev, cx25840_work); - bool handled; + bool handled = false; v4l2_subdev_call(dev->sd_cx25840, core, interrupt_service_routine, PCI_MSK_AV_CORE, &handled); diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c index c1aa888af705..83864a99d3a6 100644 --- a/drivers/media/pci/cx23885/cx23888-ir.c +++ b/drivers/media/pci/cx23885/cx23888-ir.c @@ -1179,8 +1179,11 @@ int cx23888_ir_probe(struct cx23885_dev *dev) return -ENOMEM; spin_lock_init(&state->rx_kfifo_lock); - if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE, GFP_KERNEL)) + if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE, + GFP_KERNEL)) { + kfree(state); return -ENOMEM; + } state->dev = dev; sd = &state->sd; diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c index f89364951ebd..fb13cc3c591d 100644 --- a/drivers/media/pci/ttpci/av7110.c +++ b/drivers/media/pci/ttpci/av7110.c @@ -426,14 +426,15 @@ static void debiirq(unsigned long cookie) case DATA_CI_GET: { u8 *data = av7110->debi_virt; + u8 data_0 = data[0]; - if ((data[0] < 2) && data[2] == 0xff) { + if (data_0 < 2 && data[2] == 0xff) { int flags = 0; if (data[5] > 0) flags |= CA_CI_MODULE_PRESENT; if (data[5] > 5) flags |= CA_CI_MODULE_READY; - av7110->ci_slot[data[0]].flags = flags; + av7110->ci_slot[data_0].flags = flags; } else ci_get_data(&av7110->ci_rbuffer, av7110->debi_virt, diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c index e9674b40007c..6107c469efa0 100644 --- a/drivers/media/pci/ttpci/budget-core.c +++ b/drivers/media/pci/ttpci/budget-core.c @@ -386,20 +386,25 @@ static int budget_register(struct budget *budget) ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; budget->mem_frontend.source = DMX_MEMORY_FE; ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); if (ret < 0) - return ret; + goto err_release_dmx; ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) - return ret; + goto err_release_dmx; dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); return 0; + +err_release_dmx: + dvb_dmxdev_release(&budget->dmxdev); + dvb_dmx_release(&budget->demux); + return ret; } static void budget_unregister(struct budget *budget) diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c index 36add3c463f7..1256af0dde1d 100644 --- a/drivers/media/platform/am437x/am437x-vpfe.c +++ b/drivers/media/platform/am437x/am437x-vpfe.c @@ -1047,7 +1047,7 @@ static int vpfe_get_ccdc_image_format(struct vpfe_device *vpfe, static int vpfe_config_ccdc_image_format(struct vpfe_device *vpfe) { enum ccdc_frmfmt frm_fmt = CCDC_FRMFMT_INTERLACED; - int ret; + int ret = 0; vpfe_dbg(2, vpfe, "vpfe_config_ccdc_image_format\n"); diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index c1e573b7cc6f..50122ac2ac02 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1417,8 +1417,6 @@ probe_out: /* Unregister video device */ video_unregister_device(&ch->video_dev); } - kfree(vpif_obj.sd); - v4l2_device_unregister(&vpif_obj.v4l2_dev); return err; } diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c index c2c68988e38a..9884b34d6f40 100644 --- a/drivers/media/platform/davinci/vpss.c +++ b/drivers/media/platform/davinci/vpss.c @@ -519,19 +519,31 @@ static void vpss_exit(void) static int __init vpss_init(void) { + int ret; + if (!request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control")) return -EBUSY; oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4); if (unlikely(!oper_cfg.vpss_regs_base2)) { - release_mem_region(VPSS_CLK_CTRL, 4); - return -ENOMEM; + ret = -ENOMEM; + goto err_ioremap; } writel(VPSS_CLK_CTRL_VENCCLKEN | - VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); + VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); + + ret = platform_driver_register(&vpss_driver); + if (ret) + goto err_pd_register; + + return 0; - return platform_driver_register(&vpss_driver); +err_pd_register: + iounmap(oper_cfg.vpss_regs_base2); +err_ioremap: + release_mem_region(VPSS_CLK_CTRL, 4); + return ret; } subsys_initcall(vpss_init); module_exit(vpss_exit); diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index 4b7803cec37f..6297b32eab31 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -221,8 +221,8 @@ static void isp_video_capture_buffer_queue(struct vb2_buffer *vb) ivb->dma_addr[i]; isp_dbg(2, &video->ve.vdev, - "dma_buf %pad (%d/%d/%d) addr: %pad\n", - &buf_index, ivb->index, i, vb->index, + "dma_buf %d (%d/%d/%d) addr: %pad\n", + buf_index, ivb->index, i, vb->index, &ivb->dma_addr[i]); } diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index 4f5586a4cbff..31cc7d94064e 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1172,6 +1172,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd) pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl, PINCTRL_STATE_IDLE); + if (IS_ERR(pctl->state_idle)) + return PTR_ERR(pctl->state_idle); + return 0; } diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c index c9e8845de1b1..c3336a2cbe14 100644 --- a/drivers/media/platform/omap3isp/isppreview.c +++ b/drivers/media/platform/omap3isp/isppreview.c @@ -2285,7 +2285,7 @@ static int preview_init_entities(struct isp_prev_device *prev) me->ops = &preview_media_ops; ret = media_entity_init(me, PREV_PADS_NUM, pads, 0); if (ret < 0) - return ret; + goto error_handler_free; preview_init_formats(sd, NULL); @@ -2331,6 +2331,8 @@ error_video_out: omap3isp_video_cleanup(&prev->video_in); error_video_in: media_entity_cleanup(&prev->subdev.entity); +error_handler_free: + v4l2_ctrl_handler_free(&prev->ctrls); return ret; } diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c index a43404cad3e3..ed307488ccbd 100644 --- a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c @@ -49,7 +49,7 @@ MODULE_FIRMWARE(FIRMWARE_MEMDMA); #define PID_TABLE_SIZE 1024 #define POLL_MSECS 50 -static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei); +static int load_c8sectpfe_fw(struct c8sectpfei *fei); #define TS_PKT_SIZE 188 #define HEADER_SIZE (4) @@ -143,6 +143,7 @@ static int c8sectpfe_start_feed(struct dvb_demux_feed *dvbdmxfeed) struct channel_info *channel; u32 tmp; unsigned long *bitmap; + int ret; switch (dvbdmxfeed->type) { case DMX_TYPE_TS: @@ -171,8 +172,9 @@ static int c8sectpfe_start_feed(struct dvb_demux_feed *dvbdmxfeed) } if (!atomic_read(&fei->fw_loaded)) { - dev_err(fei->dev, "%s: c8sectpfe fw not loaded\n", __func__); - return -EINVAL; + ret = load_c8sectpfe_fw(fei); + if (ret) + return ret; } mutex_lock(&fei->lock); @@ -267,8 +269,9 @@ static int c8sectpfe_stop_feed(struct dvb_demux_feed *dvbdmxfeed) unsigned long *bitmap; if (!atomic_read(&fei->fw_loaded)) { - dev_err(fei->dev, "%s: c8sectpfe fw not loaded\n", __func__); - return -EINVAL; + ret = load_c8sectpfe_fw(fei); + if (ret) + return ret; } mutex_lock(&fei->lock); @@ -882,13 +885,6 @@ static int c8sectpfe_probe(struct platform_device *pdev) goto err_clk_disable; } - /* ensure all other init has been done before requesting firmware */ - ret = load_c8sectpfe_fw_step1(fei); - if (ret) { - dev_err(dev, "Couldn't load slim core firmware\n"); - goto err_clk_disable; - } - c8sectpfe_debugfs_init(fei); return 0; @@ -1093,15 +1089,14 @@ static void load_dmem_segment(struct c8sectpfei *fei, Elf32_Phdr *phdr, phdr->p_memsz - phdr->p_filesz); } -static int load_slim_core_fw(const struct firmware *fw, void *context) +static int load_slim_core_fw(const struct firmware *fw, struct c8sectpfei *fei) { - struct c8sectpfei *fei = context; Elf32_Ehdr *ehdr; Elf32_Phdr *phdr; u8 __iomem *dst; int err = 0, i; - if (!fw || !context) + if (!fw || !fei) return -EINVAL; ehdr = (Elf32_Ehdr *)fw->data; @@ -1153,29 +1148,35 @@ static int load_slim_core_fw(const struct firmware *fw, void *context) return err; } -static void load_c8sectpfe_fw_cb(const struct firmware *fw, void *context) +static int load_c8sectpfe_fw(struct c8sectpfei *fei) { - struct c8sectpfei *fei = context; + const struct firmware *fw; int err; + dev_info(fei->dev, "Loading firmware: %s\n", FIRMWARE_MEMDMA); + + err = request_firmware(&fw, FIRMWARE_MEMDMA, fei->dev); + if (err) + return err; + err = c8sectpfe_elf_sanity_check(fei, fw); if (err) { dev_err(fei->dev, "c8sectpfe_elf_sanity_check failed err=(%d)\n" , err); - goto err; + return err; } - err = load_slim_core_fw(fw, context); + err = load_slim_core_fw(fw, fei); if (err) { dev_err(fei->dev, "load_slim_core_fw failed err=(%d)\n", err); - goto err; + return err; } /* now the firmware is loaded configure the input blocks */ err = configure_channels(fei); if (err) { dev_err(fei->dev, "configure_channels failed err=(%d)\n", err); - goto err; + return err; } /* @@ -1188,28 +1189,6 @@ static void load_c8sectpfe_fw_cb(const struct firmware *fw, void *context) writel(0x1, fei->io + DMA_CPU_RUN); atomic_set(&fei->fw_loaded, 1); -err: - complete_all(&fei->fw_ack); -} - -static int load_c8sectpfe_fw_step1(struct c8sectpfei *fei) -{ - int err; - - dev_info(fei->dev, "Loading firmware: %s\n", FIRMWARE_MEMDMA); - - init_completion(&fei->fw_ack); - atomic_set(&fei->fw_loaded, 0); - - err = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, - FIRMWARE_MEMDMA, fei->dev, GFP_KERNEL, fei, - load_c8sectpfe_fw_cb); - - if (err) { - dev_err(fei->dev, "request_firmware_nowait err: %d.\n", err); - complete_all(&fei->fw_ack); - return err; - } return 0; } diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 3f0f71adabb4..ea1008cf14a3 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -61,7 +61,7 @@ struct rc_map *rc_map_get(const char *name) struct rc_map_list *map; map = seek_rc_map(name); -#ifdef MODULE +#ifdef CONFIG_MODULES if (!map) { int rc = request_module("%s", name); if (rc < 0) { diff --git a/drivers/media/usb/dvb-usb/dibusb-mb.c b/drivers/media/usb/dvb-usb/dibusb-mb.c index a4ac37e0e98b..d888e27dad3c 100644 --- a/drivers/media/usb/dvb-usb/dibusb-mb.c +++ b/drivers/media/usb/dvb-usb/dibusb-mb.c @@ -84,7 +84,7 @@ static int dibusb_tuner_probe_and_attach(struct dvb_usb_adapter *adap) if (i2c_transfer(&adap->dev->i2c_adap, msg, 2) != 2) { err("tuner i2c write failed."); - ret = -EREMOTEIO; + return -EREMOTEIO; } if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl) diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c index d22d7d574672..803d47a86a00 100644 --- a/drivers/media/usb/go7007/snd-go7007.c +++ b/drivers/media/usb/go7007/snd-go7007.c @@ -243,22 +243,18 @@ int go7007_snd_init(struct go7007 *go) gosnd->capturing = 0; ret = snd_card_new(go->dev, index[dev], id[dev], THIS_MODULE, 0, &gosnd->card); - if (ret < 0) { - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_snd; + ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go, &go7007_snd_device_ops); - if (ret < 0) { - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; + ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm); - if (ret < 0) { - snd_card_free(gosnd->card); - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; + strlcpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver)); strlcpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->driver)); strlcpy(gosnd->card->longname, gosnd->card->shortname, @@ -269,11 +265,8 @@ int go7007_snd_init(struct go7007 *go) &go7007_snd_capture_ops); ret = snd_card_register(gosnd->card); - if (ret < 0) { - snd_card_free(gosnd->card); - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; gosnd->substream = NULL; go->snd_context = gosnd; @@ -281,6 +274,12 @@ int go7007_snd_init(struct go7007 *go) ++dev; return 0; + +free_card: + snd_card_free(gosnd->card); +free_snd: + kfree(gosnd); + return ret; } EXPORT_SYMBOL(go7007_snd_init); diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 9cd0268b2767..f353ab569b8e 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1800,7 +1800,7 @@ static void uvc_delete(struct uvc_device *dev) if (dev->vdev.dev) v4l2_device_unregister(&dev->vdev); #ifdef CONFIG_MEDIA_CONTROLLER - if (media_devnode_is_registered(&dev->mdev.devnode)) + if (media_devnode_is_registered(dev->mdev.devnode)) media_device_unregister(&dev->mdev); #endif diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c index 234e74f97a4b..9f68a56f2727 100644 --- a/drivers/memory/tegra/tegra124.c +++ b/drivers/memory/tegra/tegra124.c @@ -1007,6 +1007,7 @@ static const struct tegra_smmu_soc tegra124_smmu_soc = { .num_swgroups = ARRAY_SIZE(tegra124_swgroups), .supports_round_robin_arbitration = true, .supports_request_limit = true, + .num_tlb_lines = 32, .num_asids = 128, }; diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 6c9fc11efb87..e77185e143ab 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -118,8 +118,6 @@ int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); int mptscsih_resume(struct pci_dev *pdev); #endif -#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE - /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* @@ -2427,7 +2425,7 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR /* Copy the sense received into the scsi command block. */ req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); - memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); + memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC); /* Log SMART data (asc = 0x5D, non-IM case only) if required. */ diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c index 672831d5ee32..97a69cd6f127 100644 --- a/drivers/mfd/dln2.c +++ b/drivers/mfd/dln2.c @@ -294,7 +294,11 @@ static void dln2_rx(struct urb *urb) len = urb->actual_length - sizeof(struct dln2_header); if (handle == DLN2_HANDLE_EVENT) { + unsigned long flags; + + spin_lock_irqsave(&dln2->event_cb_lock, flags); dln2_run_event_callbacks(dln2, id, echo, data, len); + spin_unlock_irqrestore(&dln2->event_cb_lock, flags); } else { /* URB will be re-submitted in _dln2_transfer (free_rx_slot) */ if (dln2_transfer_complete(dln2, urb, handle, echo)) diff --git a/drivers/mfd/lp8788-irq.c b/drivers/mfd/lp8788-irq.c index c7a9825aa4ce..792d51bae20f 100644 --- a/drivers/mfd/lp8788-irq.c +++ b/drivers/mfd/lp8788-irq.c @@ -112,7 +112,7 @@ static irqreturn_t lp8788_irq_handler(int irq, void *ptr) struct lp8788_irq_data *irqd = ptr; struct lp8788 *lp = irqd->lp; u8 status[NUM_REGS], addr, mask; - bool handled; + bool handled = false; int i; if (lp8788_read_multi_bytes(lp, LP8788_INT_1, status, NUM_REGS)) diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 7eec619a6023..3d1457189fa2 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -690,3 +690,4 @@ module_i2c_driver(wm8994_i2c_driver); MODULE_DESCRIPTION("Core support for the WM8994 audio CODEC"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_SOFTDEP("pre: wm8994_regulator"); diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index e2474af7386a..ae0f6a1a4be0 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -13,7 +13,7 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> -#include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/atmel-ssc.h> #include <linux/slab.h> #include <linux/module.h> @@ -21,7 +21,7 @@ #include <linux/of.h> /* Serialize access to ssc_list and user count */ -static DEFINE_SPINLOCK(user_lock); +static DEFINE_MUTEX(user_lock); static LIST_HEAD(ssc_list); struct ssc_device *ssc_request(unsigned int ssc_num) @@ -29,7 +29,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num) int ssc_valid = 0; struct ssc_device *ssc; - spin_lock(&user_lock); + mutex_lock(&user_lock); list_for_each_entry(ssc, &ssc_list, list) { if (ssc->pdev->dev.of_node) { if (of_alias_get_id(ssc->pdev->dev.of_node, "ssc") @@ -44,18 +44,18 @@ struct ssc_device *ssc_request(unsigned int ssc_num) } if (!ssc_valid) { - spin_unlock(&user_lock); + mutex_unlock(&user_lock); pr_err("ssc: ssc%d platform device is missing\n", ssc_num); return ERR_PTR(-ENODEV); } if (ssc->user) { - spin_unlock(&user_lock); + mutex_unlock(&user_lock); dev_dbg(&ssc->pdev->dev, "module busy\n"); return ERR_PTR(-EBUSY); } ssc->user++; - spin_unlock(&user_lock); + mutex_unlock(&user_lock); clk_prepare(ssc->clk); @@ -67,14 +67,14 @@ void ssc_free(struct ssc_device *ssc) { bool disable_clk = true; - spin_lock(&user_lock); + mutex_lock(&user_lock); if (ssc->user) ssc->user--; else { disable_clk = false; dev_dbg(&ssc->pdev->dev, "device already free\n"); } - spin_unlock(&user_lock); + mutex_unlock(&user_lock); if (disable_clk) clk_unprepare(ssc->clk); @@ -194,9 +194,9 @@ static int ssc_probe(struct platform_device *pdev) return -ENXIO; } - spin_lock(&user_lock); + mutex_lock(&user_lock); list_add_tail(&ssc->list, &ssc_list); - spin_unlock(&user_lock); + mutex_unlock(&user_lock); platform_set_drvdata(pdev, ssc); @@ -210,9 +210,9 @@ static int ssc_remove(struct platform_device *pdev) { struct ssc_device *ssc = platform_get_drvdata(pdev); - spin_lock(&user_lock); + mutex_lock(&user_lock); list_del(&ssc->list); - spin_unlock(&user_lock); + mutex_unlock(&user_lock); return 0; } diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index 81c3f75b7330..8f9c26b77089 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -152,7 +152,7 @@ static void cxl_handle_page_fault(struct cxl_context *ctx, access = _PAGE_PRESENT; if (dsisr & CXL_PSL_DSISR_An_S) access |= _PAGE_RW; - if ((!ctx->kernel) || ~(dar & (1ULL << 63))) + if ((!ctx->kernel) || (REGION_ID(dar) == USER_REGION_ID)) access |= _PAGE_USER; if (dsisr & DSISR_NOHPTE) diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 02006f7109a8..ce292d7766db 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -539,7 +539,7 @@ static struct afu_config_record *cxl_sysfs_afu_new_cr(struct cxl_afu *afu, int c rc = kobject_init_and_add(&cr->kobj, &afu_config_record_type, &afu->dev.kobj, "cr%i", cr->cr); if (rc) - goto err; + goto err1; rc = sysfs_create_bin_file(&cr->kobj, &cr->config_attr); if (rc) @@ -555,9 +555,6 @@ err2: err1: kobject_put(&cr->kobj); return ERR_PTR(rc); -err: - kfree(cr); - return ERR_PTR(rc); } void cxl_sysfs_afu_remove(struct cxl_afu *afu) diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 864c2dc728a9..4457adb16916 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -626,9 +626,8 @@ static int mei_cl_device_remove(struct device *dev) ret = cldrv->remove(cldev); module_put(THIS_MODULE); - dev->driver = NULL; - return ret; + return ret; } static ssize_t name_show(struct device *dev, struct device_attribute *a, diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index df268365e04e..c8e3995b8cb7 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -276,6 +276,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid) down_write(&dev->me_clients_rwsem); me_cl = __mei_me_cl_by_uuid(dev, uuid); __mei_me_cl_del(dev, me_cl); + mei_me_cl_put(me_cl); up_write(&dev->me_clients_rwsem); } @@ -297,6 +298,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id) down_write(&dev->me_clients_rwsem); me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id); __mei_me_cl_del(dev, me_cl); + mei_me_cl_put(me_cl); up_write(&dev->me_clients_rwsem); } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 07592e428755..c4c4dfbde0dc 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -668,8 +668,10 @@ static int mmc_blk_ioctl_multi_cmd(struct block_device *bdev, } md = mmc_blk_get(bdev->bd_disk); - if (!md) + if (!md) { + err = -EINVAL; goto cmd_err; + } card = md->queue.card; if (IS_ERR(card)) { diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 705586dcd9fa..9382a57a5aa4 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -170,7 +170,7 @@ static int mmc_ios_show(struct seq_file *s, void *data) str = "invalid"; break; } - seq_printf(s, "signal voltage:\t%u (%s)\n", ios->chip_select, str); + seq_printf(s, "signal voltage:\t%u (%s)\n", ios->signal_voltage, str); switch (ios->drv_type) { case MMC_SET_DRIVER_TYPE_A: diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 54ba1abb5460..ed9af65e583e 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -337,6 +337,7 @@ static int mmc_read_switch(struct mmc_card *card) card->sw_caps.sd3_bus_mode = status[13]; /* Driver Strengths supported by the card */ card->sw_caps.sd3_drv_type = status[9]; + card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; } out: @@ -553,14 +554,25 @@ static int sd_set_current_limit(struct mmc_card *card, u8 *status) * when we set current limit to 200ma, the card will draw 200ma, and * when we set current limit to 400/600/800ma, the card will draw its * maximum 300ma from the host. + * + * The above is incorrect: if we try to set a current limit that is + * not supported by the card, the card can rightfully error out the + * attempt, and remain at the default current limit. This results + * in a 300mA card being limited to 200mA even though the host + * supports 800mA. Failures seen with SanDisk 8GB UHS cards with + * an iMX6 host. --rmk */ - if (max_current >= 800) + if (max_current >= 800 && + card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) current_limit = SD_SET_CURRENT_LIMIT_800; - else if (max_current >= 600) + else if (max_current >= 600 && + card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) current_limit = SD_SET_CURRENT_LIMIT_600; - else if (max_current >= 400) + else if (max_current >= 400 && + card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) current_limit = SD_SET_CURRENT_LIMIT_400; - else if (max_current >= 200) + else if (max_current >= 200 && + card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) current_limit = SD_SET_CURRENT_LIMIT_200; if (current_limit != SD_SET_CURRENT_NO_CHANGE) { diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index 9becebeeccd1..b2c482da5dd7 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -78,6 +78,70 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) /* Make sure we use phases which we can enumerate with */ if (!IS_ERR(priv->sample_clk)) clk_set_phase(priv->sample_clk, priv->default_sample_phase); + + /* + * Set the drive phase offset based on speed mode to achieve hold times. + * + * NOTE: this is _not_ a value that is dynamically tuned and is also + * _not_ a value that will vary from board to board. It is a value + * that could vary between different SoC models if they had massively + * different output clock delays inside their dw_mmc IP block (delay_o), + * but since it's OK to overshoot a little we don't need to do complex + * calculations and can pick values that will just work for everyone. + * + * When picking values we'll stick with picking 0/90/180/270 since + * those can be made very accurately on all known Rockchip SoCs. + * + * Note that these values match values from the DesignWare Databook + * tables for the most part except for SDR12 and "ID mode". For those + * two modes the databook calculations assume a clock in of 50MHz. As + * seen above, we always use a clock in rate that is exactly the + * card's input clock (times RK3288_CLKGEN_DIV, but that gets divided + * back out before the controller sees it). + * + * From measurement of a single device, it appears that delay_o is + * about .5 ns. Since we try to leave a bit of margin, it's expected + * that numbers here will be fine even with much larger delay_o + * (the 1.4 ns assumed by the DesignWare Databook would result in the + * same results, for instance). + */ + if (!IS_ERR(priv->drv_clk)) { + int phase; + + /* + * In almost all cases a 90 degree phase offset will provide + * sufficient hold times across all valid input clock rates + * assuming delay_o is not absurd for a given SoC. We'll use + * that as a default. + */ + phase = 90; + + switch (ios->timing) { + case MMC_TIMING_MMC_DDR52: + /* + * Since clock in rate with MMC_DDR52 is doubled when + * bus width is 8 we need to double the phase offset + * to get the same timings. + */ + if (ios->bus_width == MMC_BUS_WIDTH_8) + phase = 180; + break; + case MMC_TIMING_UHS_SDR104: + case MMC_TIMING_MMC_HS200: + /* + * In the case of 150 MHz clock (typical max for + * Rockchip SoCs), 90 degree offset will add a delay + * of 1.67 ns. That will meet min hold time of .8 ns + * as long as clock output delay is < .87 ns. On + * SoCs measured this seems to be OK, but it doesn't + * hurt to give margin here, so we use 180. + */ + phase = 180; + break; + } + + clk_set_phase(priv->drv_clk, phase); + } } #define NUM_PHASES 360 diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 79905ce895ad..bbad309679cf 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -257,7 +257,7 @@ static void moxart_dma_complete(void *param) static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host) { u32 len, dir_data, dir_slave; - unsigned long dma_time; + long dma_time; struct dma_async_tx_descriptor *desc = NULL; struct dma_chan *dma_chan; @@ -397,7 +397,8 @@ static void moxart_prepare_data(struct moxart_host *host) static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq) { struct moxart_host *host = mmc_priv(mmc); - unsigned long pio_time, flags; + long pio_time; + unsigned long flags; u32 status; spin_lock_irqsave(&host->lock, flags); diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index f5edf9d3a18a..0535827b02ee 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -307,8 +307,30 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) __func__, uhs, ctrl_2); } +static void pxav3_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + u8 pwr = host->pwr; + + sdhci_set_power(host, mode, vdd); + + if (host->pwr == pwr) + return; + + if (host->pwr == 0) + vdd = 0; + + if (!IS_ERR(mmc->supply.vmmc)) { + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + } +} + static const struct sdhci_ops pxav3_sdhci_ops = { .set_clock = sdhci_set_clock, + .set_power = pxav3_set_power, .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, .get_max_clock = sdhci_pltfm_clk_get_max_clock, .set_bus_width = sdhci_set_bus_width, diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index bf309a8a66a1..417cfaa85dd9 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1284,24 +1284,25 @@ clock_set: } EXPORT_SYMBOL_GPL(sdhci_set_clock); -static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, - unsigned short vdd) +static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) { struct mmc_host *mmc = host->mmc; - u8 pwr = 0; - if (!IS_ERR(mmc->supply.vmmc)) { - spin_unlock_irq(&host->lock); - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); - spin_lock_irq(&host->lock); + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); - if (mode != MMC_POWER_OFF) - sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); - else - sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); + if (mode != MMC_POWER_OFF) + sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); + else + sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); +} - return; - } +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + u8 pwr = 0; if (mode != MMC_POWER_OFF) { switch (1 << vdd) { @@ -1332,7 +1333,6 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) sdhci_runtime_pm_bus_off(host); - vdd = 0; } else { /* * Spec says that we should clear the power reg before setting @@ -1364,6 +1364,20 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, mdelay(10); } } +EXPORT_SYMBOL_GPL(sdhci_set_power); + +static void __sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + + if (host->ops->set_power) + host->ops->set_power(host, mode, vdd); + else if (!IS_ERR(mmc->supply.vmmc)) + sdhci_set_power_reg(host, mode, vdd); + else + sdhci_set_power(host, mode, vdd); +} /*****************************************************************************\ * * @@ -1512,7 +1526,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) } } - sdhci_set_power(host, ios->power_mode, ios->vdd); + __sdhci_set_power(host, ios->power_mode, ios->vdd); if (host->ops->platform_send_init_74_clocks) host->ops->platform_send_init_74_clocks(host, ios->power_mode); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 0115e9907bf8..033d72b5bbd5 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -529,6 +529,8 @@ struct sdhci_ops { #endif void (*set_clock)(struct sdhci_host *host, unsigned int clock); + void (*set_power)(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); @@ -660,6 +662,8 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) } void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); void sdhci_set_bus_width(struct sdhci_host *host, int width); void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 7589d891b311..972935f1b2f7 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -1881,7 +1881,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, continue; } - if (time_after(jiffies, timeo) && !chip_ready(map, adr)) + /* + * We check "time_after" and "!chip_good" before checking "chip_good" to avoid + * the failure due to scheduling. + */ + if (time_after(jiffies, timeo) && !chip_good(map, adr, datum)) break; if (chip_good(map, adr, datum)) { diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 0d244dac1ccb..ce87d9506f6a 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -372,9 +372,6 @@ static int mtdchar_writeoob(struct file *file, struct mtd_info *mtd, uint32_t retlen; int ret = 0; - if (!(file->f_mode & FMODE_WRITE)) - return -EPERM; - if (length > 4096) return -EINVAL; @@ -608,6 +605,48 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) return -EFAULT; } + /* + * Check the file mode to require "dangerous" commands to have write + * permissions. + */ + switch (cmd) { + /* "safe" commands */ + case MEMGETREGIONCOUNT: + case MEMGETREGIONINFO: + case MEMGETINFO: + case MEMREADOOB: + case MEMREADOOB64: + case MEMLOCK: + case MEMUNLOCK: + case MEMISLOCKED: + case MEMGETOOBSEL: + case MEMGETBADBLOCK: + case MEMSETBADBLOCK: + case OTPSELECT: + case OTPGETREGIONCOUNT: + case OTPGETREGIONINFO: + case OTPLOCK: + case ECCGETLAYOUT: + case ECCGETSTATS: + case MTDFILEMODE: + case BLKPG: + case BLKRRPART: + break; + + /* "dangerous" commands */ + case MEMERASE: + case MEMERASE64: + case MEMWRITEOOB: + case MEMWRITEOOB64: + case MEMWRITE: + if (!(file->f_mode & FMODE_WRITE)) + return -EPERM; + break; + + default: + return -ENOTTY; + } + switch (cmd) { case MEMGETREGIONCOUNT: if (copy_to_user(argp, &(mtd->numeraseregions), sizeof(int))) @@ -655,9 +694,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) { struct erase_info *erase; - if(!(file->f_mode & FMODE_WRITE)) - return -EPERM; - erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL); if (!erase) ret = -ENOMEM; @@ -982,9 +1018,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) ret = 0; break; } - - default: - ret = -ENOTTY; } return ret; @@ -1028,6 +1061,11 @@ static long mtdchar_compat_ioctl(struct file *file, unsigned int cmd, struct mtd_oob_buf32 buf; struct mtd_oob_buf32 __user *buf_user = argp; + if (!(file->f_mode & FMODE_WRITE)) { + ret = -EPERM; + break; + } + if (copy_from_user(&buf, argp, sizeof(buf))) ret = -EFAULT; else diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c index d125d19a35e4..8278158715c1 100644 --- a/drivers/mtd/nand/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/brcmnand/brcmnand.c @@ -455,8 +455,9 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) } else { ctrl->cs_offsets = brcmnand_cs_offsets; - /* v5.0 and earlier has a different CS0 offset layout */ - if (ctrl->nand_version <= 0x0500) + /* v3.3-5.0 have a different CS0 offset layout */ + if (ctrl->nand_version >= 0x0303 && + ctrl->nand_version <= 0x0500) ctrl->cs0_offsets = brcmnand_cs_offsets_cs0; } diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 67eb2be0db87..9a5035cac129 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -1622,9 +1622,16 @@ EXPORT_SYMBOL(denali_init); /* driver exit point */ void denali_remove(struct denali_nand_info *denali) { + /* + * Pre-compute DMA buffer size to avoid any problems in case + * nand_release() ever changes in a way that mtd->writesize and + * mtd->oobsize are not reliable after this call. + */ + int bufsize = denali->mtd.writesize + denali->mtd.oobsize; + + nand_release(&denali->mtd); denali_irq_cleanup(denali->irq, denali); - dma_unmap_single(denali->dev, denali->buf.dma_buf, - denali->mtd.writesize + denali->mtd.oobsize, + dma_unmap_single(denali->dev, denali->buf.dma_buf, bufsize, DMA_BIDIRECTIONAL); } EXPORT_SYMBOL(denali_remove); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 399c627b15cc..22ebdf4d8cc4 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -100,11 +100,14 @@ enum ad_link_speed_type { #define MAC_ADDRESS_EQUAL(A, B) \ ether_addr_equal_64bits((const u8 *)A, (const u8 *)B) -static struct mac_addr null_mac_addr = { { 0, 0, 0, 0, 0, 0 } }; +static const u8 null_mac_addr[ETH_ALEN + 2] __long_aligned = { + 0, 0, 0, 0, 0, 0 +}; static u16 ad_ticks_per_sec; static const int ad_delta_in_ticks = (AD_TIMER_INTERVAL * HZ) / 1000; -static const u8 lacpdu_mcast_addr[ETH_ALEN] = MULTICAST_LACPDU_ADDR; +static const u8 lacpdu_mcast_addr[ETH_ALEN + 2] __long_aligned = + MULTICAST_LACPDU_ADDR; /* ================= main 802.3ad protocol functions ================== */ static int ad_lacpdu_send(struct port *port); @@ -1701,7 +1704,7 @@ static void ad_clear_agg(struct aggregator *aggregator) aggregator->is_individual = false; aggregator->actor_admin_aggregator_key = 0; aggregator->actor_oper_aggregator_key = 0; - aggregator->partner_system = null_mac_addr; + eth_zero_addr(aggregator->partner_system.mac_addr_value); aggregator->partner_system_priority = 0; aggregator->partner_oper_aggregator_key = 0; aggregator->receive_state = 0; @@ -1723,7 +1726,7 @@ static void ad_initialize_agg(struct aggregator *aggregator) if (aggregator) { ad_clear_agg(aggregator); - aggregator->aggregator_mac_address = null_mac_addr; + eth_zero_addr(aggregator->aggregator_mac_address.mac_addr_value); aggregator->aggregator_identifier = 0; aggregator->slave = NULL; } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 41bd9186d383..295d86ba63d3 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -42,13 +42,10 @@ -#ifndef __long_aligned -#define __long_aligned __attribute__((aligned((sizeof(long))))) -#endif -static const u8 mac_bcast[ETH_ALEN] __long_aligned = { +static const u8 mac_bcast[ETH_ALEN + 2] __long_aligned = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; -static const u8 mac_v6_allmcast[ETH_ALEN] __long_aligned = { +static const u8 mac_v6_allmcast[ETH_ALEN + 2] __long_aligned = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x01 }; static const int alb_delta_in_ticks = HZ / ALB_TIMER_TICKS_PER_SEC; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index e31b4c7d2522..aaf75d5e6e48 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1940,7 +1940,8 @@ static int bond_release_and_destroy(struct net_device *bond_dev, int ret; ret = bond_release(bond_dev, slave_dev); - if (ret == 0 && !bond_has_slaves(bond)) { + if (ret == 0 && !bond_has_slaves(bond) && + bond_dev->reg_state != NETREG_UNREGISTERING) { bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; netdev_info(bond_dev, "Destroying bond %s\n", bond_dev->name); @@ -4057,13 +4058,23 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev) return ret; } +static u32 bond_mode_bcast_speed(struct slave *slave, u32 speed) +{ + if (speed == 0 || speed == SPEED_UNKNOWN) + speed = slave->speed; + else + speed = min(speed, slave->speed); + + return speed; +} + static int bond_ethtool_get_settings(struct net_device *bond_dev, struct ethtool_cmd *ecmd) { struct bonding *bond = netdev_priv(bond_dev); - unsigned long speed = 0; struct list_head *iter; struct slave *slave; + u32 speed = 0; ecmd->duplex = DUPLEX_UNKNOWN; ecmd->port = PORT_OTHER; @@ -4075,8 +4086,13 @@ static int bond_ethtool_get_settings(struct net_device *bond_dev, */ bond_for_each_slave(bond, slave, iter) { if (bond_slave_can_tx(slave)) { - if (slave->speed != SPEED_UNKNOWN) - speed += slave->speed; + if (slave->speed != SPEED_UNKNOWN) { + if (BOND_MODE(bond) == BOND_MODE_BROADCAST) + speed = bond_mode_bcast_speed(slave, + speed); + else + speed += slave->speed; + } if (ecmd->duplex == DUPLEX_UNKNOWN && slave->duplex != DUPLEX_UNKNOWN) ecmd->duplex = slave->duplex; diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index b8df0f5e8c25..3f320f470345 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -628,8 +628,7 @@ static int bond_fill_info(struct sk_buff *skb, goto nla_put_failure; if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM, - sizeof(bond->params.ad_actor_system), - &bond->params.ad_actor_system)) + ETH_ALEN, &bond->params.ad_actor_system)) goto nla_put_failure; } if (!bond_3ad_get_active_agg_info(bond, &info)) { diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c index 641a532b67cb..3f756fa2f603 100644 --- a/drivers/net/bonding/bond_sysfs_slave.c +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -153,8 +153,10 @@ int bond_sysfs_slave_add(struct slave *slave) err = kobject_init_and_add(&slave->kobj, &slave_ktype, &(slave->dev->dev.kobj), "bonding_slave"); - if (err) + if (err) { + kobject_put(&slave->kobj); return err; + } for (a = slave_attrs; *a; ++a) { err = sysfs_create_file(&slave->kobj, &((*a)->attr)); diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 5bacb019ec1f..1107f200d3f1 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -618,10 +618,9 @@ err_free_chan: sl->tty = NULL; tty->disc_data = NULL; clear_bit(SLF_INUSE, &sl->flags); - slc_free_netdev(sl->dev); /* do not call free_netdev before rtnl_unlock */ rtnl_unlock(); - free_netdev(sl->dev); + slc_free_netdev(sl->dev); return err; err_exit: diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 59f891bebcc6..9991ee93735a 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -787,7 +787,7 @@ static int kvaser_usb_simple_msg_async(struct kvaser_usb_net_priv *priv, return -ENOMEM; } - buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC); + buf = kzalloc(sizeof(struct kvaser_msg), GFP_ATOMIC); if (!buf) { usb_free_urb(urb); return -ENOMEM; @@ -1457,7 +1457,7 @@ static int kvaser_usb_set_opt_mode(const struct kvaser_usb_net_priv *priv) struct kvaser_msg *msg; int rc; - msg = kmalloc(sizeof(*msg), GFP_KERNEL); + msg = kzalloc(sizeof(*msg), GFP_KERNEL); if (!msg) return -ENOMEM; @@ -1590,7 +1590,7 @@ static int kvaser_usb_flush_queue(struct kvaser_usb_net_priv *priv) struct kvaser_msg *msg; int rc; - msg = kmalloc(sizeof(*msg), GFP_KERNEL); + msg = kzalloc(sizeof(*msg), GFP_KERNEL); if (!msg) return -ENOMEM; diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index e2414f2d7ba9..68ef738a7689 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2064,9 +2064,9 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) * the other bits clear. */ reg = 1 << port; - /* Disable learning for DSA and CPU ports */ - if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) - reg = PORT_ASSOC_VECTOR_LOCKED_PORT; + /* Disable learning for CPU port */ + if (dsa_is_cpu_port(ds, port)) + reg = 0; ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_ASSOC_VECTOR, reg); if (ret) @@ -2150,7 +2150,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) * database, and allow every port to egress frames on all other ports. */ reg = BIT(ps->num_ports) - 1; /* all ports */ - ret = _mv88e6xxx_port_vlan_map_set(ds, port, reg & ~port); + reg &= ~BIT(port); /* except itself */ + ret = _mv88e6xxx_port_vlan_map_set(ds, port, reg); if (ret) goto abort; diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c index e0f3d197e7f2..8ff10fd70b02 100644 --- a/drivers/net/ethernet/agere/et131x.c +++ b/drivers/net/ethernet/agere/et131x.c @@ -3854,7 +3854,7 @@ static void et131x_tx_timeout(struct net_device *netdev) unsigned long flags; /* If the device is closed, ignore the timeout */ - if (~(adapter->flags & FMP_ADAPTER_INTERRUPT_IN_USE)) + if (!(adapter->flags & FMP_ADAPTER_INTERRUPT_IN_USE)) return; /* Any nonrecoverable hardware error? diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 8d50314ac3eb..dde3cd2d4763 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -438,7 +438,7 @@ static void emac_timeout(struct net_device *dev) /* Hardware start transmission. * Send a packet to media from the upper layer. */ -static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct emac_board_info *db = netdev_priv(dev); unsigned long channel; @@ -446,7 +446,7 @@ static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) channel = db->tx_fifo_stat & 3; if (channel == 3) - return 1; + return NETDEV_TX_BUSY; channel = (channel == 1 ? 1 : 0); diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c index a65d7a60f116..ffa7e7e6d18d 100644 --- a/drivers/net/ethernet/apple/bmac.c +++ b/drivers/net/ethernet/apple/bmac.c @@ -1187,7 +1187,7 @@ bmac_get_station_address(struct net_device *dev, unsigned char *ea) int i; unsigned short data; - for (i = 0; i < 6; i++) + for (i = 0; i < 3; i++) { reset_and_select_srom(dev); data = read_srom(dev, i + EnetAddressOffset/2, SROMAddressBits); diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index df54475d163b..43bcc19c9068 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -872,8 +872,12 @@ out_free_rings: static void __alx_stop(struct alx_priv *alx) { - alx_halt(alx); alx_free_irq(alx); + + cancel_work_sync(&alx->link_check_wk); + cancel_work_sync(&alx->reset_wk); + + alx_halt(alx); alx_free_rings(alx); } @@ -1406,9 +1410,6 @@ static void alx_remove(struct pci_dev *pdev) struct alx_priv *alx = pci_get_drvdata(pdev); struct alx_hw *hw = &alx->hw; - cancel_work_sync(&alx->link_check_wk); - cancel_work_sync(&alx->reset_wk); - /* restore permanent mac address */ alx_set_macaddr(hw, hw->perm_addr); diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 3cb99ce7325b..94f06c35ad9c 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -396,7 +396,7 @@ static void bcm_sysport_get_stats(struct net_device *dev, else p = (char *)priv; p += s->stat_offset; - data[i] = *(u32 *)p; + data[i] = *(unsigned long *)p; } } @@ -526,7 +526,8 @@ static struct sk_buff *bcm_sysport_rx_refill(struct bcm_sysport_priv *priv, dma_addr_t mapping; /* Allocate a new SKB for a new packet */ - skb = netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH); + skb = __netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH, + GFP_ATOMIC | __GFP_NOWARN); if (!skb) { priv->mib.alloc_rx_buff_failed++; netif_err(priv, rx_err, ndev, "SKB alloc failed\n"); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d91953eabfeb..2da1c2294645 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4250,6 +4250,10 @@ static void bnxt_del_napi(struct bnxt *bp) napi_hash_del(&bnapi->napi); netif_napi_del(&bnapi->napi); } + /* We called napi_hash_del() before netif_napi_del(), we need + * to respect an RCU grace period before freeing napi structures. + */ + synchronize_net(); } static void bnxt_init_napi(struct bnxt *bp) @@ -4306,9 +4310,7 @@ static void bnxt_tx_disable(struct bnxt *bp) bnapi = bp->bnapi[i]; txr = &bnapi->tx_ring; txq = netdev_get_tx_queue(bp->dev, i); - __netif_tx_lock(txq, smp_processor_id()); txr->dev_state = BNXT_DEV_STATE_CLOSING; - __netif_tx_unlock(txq); } } /* Stop all TX queues */ @@ -4610,18 +4612,18 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) } } - bnxt_enable_napi(bp); - rc = bnxt_init_nic(bp, irq_re_init); if (rc) { netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); - goto open_err; + goto open_err_irq; } + bnxt_enable_napi(bp); + if (link_re_init) { rc = bnxt_update_phy_setting(bp); if (rc) - goto open_err; + netdev_warn(bp->dev, "failed to update phy settings\n"); } if (irq_re_init) { @@ -4642,9 +4644,6 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) return 0; -open_err: - bnxt_disable_napi(bp); - open_err_irq: bnxt_del_napi(bp); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 45bd628eaf3a..416fb16686a6 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -991,6 +991,9 @@ static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) if (rc != 0) return rc; + if (!dir_entries || !entry_length) + return -EIO; + /* Insert 2 bytes of directory info (count and size of entries) */ if (len < 2) return -EINVAL; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index 3eebb57975e3..dd2c64e2db5c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -295,6 +295,7 @@ static void bnxt_free_vf_resources(struct bnxt *bp) } } + bp->pf.active_vfs = 0; kfree(bp->pf.vf); bp->pf.vf = NULL; } @@ -535,7 +536,6 @@ void bnxt_sriov_disable(struct bnxt *bp) bnxt_free_vf_resources(bp); - bp->pf.active_vfs = 0; bp->pf.max_pf_rx_rings = bp->pf.max_rx_rings; bp->pf.max_pf_tx_rings = bp->pf.max_tx_rings; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 34fae5576b60..bae8df951780 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -927,7 +927,11 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev, else p = (char *)priv; p += s->stat_offset; - data[i] = *(u32 *)p; + if (sizeof(unsigned long) != sizeof(u32) && + s->stat_sizeof == sizeof(unsigned long)) + data[i] = *(unsigned long *)p; + else + data[i] = *(u32 *)p; } } @@ -1346,7 +1350,7 @@ static int bcmgenet_xmit_single(struct net_device *dev, tx_cb_ptr->skb = skb; - skb_len = skb_headlen(skb) < ETH_ZLEN ? ETH_ZLEN : skb_headlen(skb); + skb_len = skb_headlen(skb); mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE); ret = dma_mapping_error(kdev, mapping); @@ -1575,7 +1579,8 @@ static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv, dma_addr_t mapping; /* Allocate a new Rx skb */ - skb = netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT); + skb = __netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT, + GFP_ATOMIC | __GFP_NOWARN); if (!skb) { priv->mib.alloc_rx_buff_failed++; netif_err(priv, rx_err, priv->dev, diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 58102e96ac5c..2ee2b6e85828 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -7203,8 +7203,8 @@ static inline void tg3_reset_task_schedule(struct tg3 *tp) static inline void tg3_reset_task_cancel(struct tg3 *tp) { - cancel_work_sync(&tp->reset_task); - tg3_flag_clear(tp, RESET_TASK_PENDING); + if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags)) + cancel_work_sync(&tp->reset_task); tg3_flag_clear(tp, TX_RECOVERY_PENDING); } @@ -11176,18 +11176,27 @@ static void tg3_reset_task(struct work_struct *work) tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); err = tg3_init_hw(tp, true); - if (err) + if (err) { + tg3_full_unlock(tp); + tp->irq_sync = 0; + tg3_napi_enable(tp); + /* Clear this flag so that tg3_reset_task_cancel() will not + * call cancel_work_sync() and wait forever. + */ + tg3_flag_clear(tp, RESET_TASK_PENDING); + dev_close(tp->dev); goto out; + } tg3_netif_start(tp); -out: tg3_full_unlock(tp); if (!err) tg3_phy_start(tp); tg3_flag_clear(tp, RESET_TASK_PENDING); +out: rtnl_unlock(); } @@ -18182,8 +18191,8 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, rtnl_lock(); - /* We probably don't have netdev yet */ - if (!netdev || !netif_running(netdev)) + /* Could be second call or maybe we don't have netdev yet */ + if (!netdev || tp->pcierr_recovery || !netif_running(netdev)) goto done; /* We needn't recover from permanent error */ diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c index 18672ad773fb..856b7abe4b8a 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -31,7 +31,7 @@ #define BNAD_NUM_TXF_COUNTERS 12 #define BNAD_NUM_RXF_COUNTERS 10 #define BNAD_NUM_CQ_COUNTERS (3 + 5) -#define BNAD_NUM_RXQ_COUNTERS 6 +#define BNAD_NUM_RXQ_COUNTERS 7 #define BNAD_NUM_TXQ_COUNTERS 5 #define BNAD_ETHTOOL_STATS_NUM \ @@ -658,6 +658,8 @@ bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_mapbuf_failed", q_num); + string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_consumer_index", q_num); @@ -678,6 +680,9 @@ bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_mapbuf_failed", + q_num); + string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 75bdb6aad352..78803e7de360 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1104,7 +1104,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) macb_writel(bp, NCR, ctrl | MACB_BIT(RE)); if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) - macb_writel(bp, ISR, MACB_BIT(RXUBR)); + queue_writel(queue, ISR, MACB_BIT(RXUBR)); } if (status & MACB_BIT(ISR_ROVR)) { @@ -2904,7 +2904,7 @@ static int macb_probe(struct platform_device *pdev) dev->irq = platform_get_irq(pdev, 0); if (dev->irq < 0) { err = dev->irq; - goto err_disable_clocks; + goto err_out_free_netdev; } mac = of_get_mac_address(np); diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index b7b93e7a643d..d579f4770ee3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -1165,7 +1165,7 @@ out_free: dev_kfree_skb_any(skb); /* Discard the packet if the length is greater than mtu */ max_pkt_len = ETH_HLEN + dev->mtu; - if (skb_vlan_tag_present(skb)) + if (skb_vlan_tagged(skb)) max_pkt_len += VLAN_HLEN; if (!skb_shinfo(skb)->gso_size && (unlikely(skb->len > max_pkt_len))) goto out_free; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 832ad1bd1f29..9d07fa318ac3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3093,7 +3093,7 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, drv_fw = &fw_info->fw_hdr; /* Read the header of the firmware on the card */ - ret = -t4_read_flash(adap, FLASH_FW_START, + ret = t4_read_flash(adap, FLASH_FW_START, sizeof(*card_fw) / sizeof(uint32_t), (uint32_t *)card_fw, 1); if (ret == 0) { @@ -3122,8 +3122,8 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, should_install_fs_fw(adap, card_fw_usable, be32_to_cpu(fs_fw->fw_ver), be32_to_cpu(card_fw->fw_ver))) { - ret = -t4_fw_upgrade(adap, adap->mbox, fw_data, - fw_size, 0); + ret = t4_fw_upgrade(adap, adap->mbox, fw_data, + fw_size, 0); if (ret != 0) { dev_err(adap->pdev_dev, "failed to install firmware: %d\n", ret); @@ -3154,7 +3154,7 @@ int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, FW_HDR_FW_VER_MICRO_G(c), FW_HDR_FW_VER_BUILD_G(c), FW_HDR_FW_VER_MAJOR_G(k), FW_HDR_FW_VER_MINOR_G(k), FW_HDR_FW_VER_MICRO_G(k), FW_HDR_FW_VER_BUILD_G(k)); - ret = EINVAL; + ret = -EINVAL; goto bye; } @@ -3341,7 +3341,7 @@ int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver) FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION)); ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val); - if (ret < 0) + if (ret) return ret; *phy_fw_ver = val; return 0; diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index ec8ffd7eae33..735bcdeaa7de 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -1188,7 +1188,7 @@ int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) /* Discard the packet if the length is greater than mtu */ max_pkt_len = ETH_HLEN + dev->mtu; - if (skb_vlan_tag_present(skb)) + if (skb_vlan_tagged(skb)) max_pkt_len += VLAN_HLEN; if (!skb_shinfo(skb)->gso_size && (unlikely(skb->len > max_pkt_len))) goto out_free; diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c index 796ee362ad70..24f69034f52c 100644 --- a/drivers/net/ethernet/cirrus/ep93xx_eth.c +++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c @@ -468,6 +468,9 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep) struct device *dev = ep->dev->dev.parent; int i; + if (!ep->descs) + return; + for (i = 0; i < RX_QUEUE_ENTRIES; i++) { dma_addr_t d; @@ -490,6 +493,7 @@ static void ep93xx_free_buffers(struct ep93xx_priv *ep) dma_free_coherent(dev, sizeof(struct ep93xx_descs), ep->descs, ep->descs_dma_addr); + ep->descs = NULL; } static int ep93xx_alloc_buffers(struct ep93xx_priv *ep) diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 9b9793333816..3fd1cba0c7ec 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1708,7 +1708,7 @@ static int enic_open(struct net_device *netdev) { struct enic *enic = netdev_priv(netdev); unsigned int i; - int err; + int err, ret; err = enic_request_intr(enic); if (err) { @@ -1766,10 +1766,9 @@ static int enic_open(struct net_device *netdev) err_out_free_rq: for (i = 0; i < enic->rq_count; i++) { - err = vnic_rq_disable(&enic->rq[i]); - if (err) - return err; - vnic_rq_clean(&enic->rq[i], enic_free_rq_buf); + ret = vnic_rq_disable(&enic->rq[i]); + if (!ret) + vnic_rq_clean(&enic->rq[i], enic_free_rq_buf); } enic_dev_notify_unset(enic); err_out_free_intr: diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 6ee78c203eca..e5fb5cf5401b 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -531,6 +531,7 @@ struct be_adapter { struct delayed_work be_err_detection_work; u8 err_flags; + bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ u32 flags; u32 cmd_privileges; /* Ethtool knobs and info */ diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7524a33b7032..7cd39324106d 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5526,6 +5526,8 @@ static void be_unmap_pci_bars(struct be_adapter *adapter) pci_iounmap(adapter->pdev, adapter->csr); if (adapter->db) pci_iounmap(adapter->pdev, adapter->db); + if (adapter->pcicfg && adapter->pcicfg_mapped) + pci_iounmap(adapter->pdev, adapter->pcicfg); } static int db_bar(struct be_adapter *adapter) @@ -5577,8 +5579,10 @@ static int be_map_pci_bars(struct be_adapter *adapter) if (!addr) goto pci_map_err; adapter->pcicfg = addr; + adapter->pcicfg_mapped = true; } else { adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; + adapter->pcicfg_mapped = false; } } diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 52f2230062e7..4d80d9f85c5d 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -1088,7 +1088,7 @@ static int ethoc_probe(struct platform_device *pdev) if (!priv->iobase) { dev_err(&pdev->dev, "cannot remap I/O memory space\n"); ret = -ENXIO; - goto error; + goto free; } if (netdev->mem_end) { @@ -1097,7 +1097,7 @@ static int ethoc_probe(struct platform_device *pdev) if (!priv->membase) { dev_err(&pdev->dev, "cannot remap memory space\n"); ret = -ENXIO; - goto error; + goto free; } } else { /* Allocate buffer memory */ @@ -1108,7 +1108,7 @@ static int ethoc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "cannot allocate %dB buffer\n", buffer_size); ret = -ENOMEM; - goto error; + goto free; } netdev->mem_end = netdev->mem_start + buffer_size; priv->dma_alloc = buffer_size; @@ -1122,7 +1122,7 @@ static int ethoc_probe(struct platform_device *pdev) 128, (netdev->mem_end - netdev->mem_start + 1) / ETHOC_BUFSIZ); if (num_bd < 4) { ret = -ENODEV; - goto error; + goto free; } priv->num_bd = num_bd; /* num_tx must be a power of two */ @@ -1135,7 +1135,7 @@ static int ethoc_probe(struct platform_device *pdev) priv->vma = devm_kzalloc(&pdev->dev, num_bd*sizeof(void *), GFP_KERNEL); if (!priv->vma) { ret = -ENOMEM; - goto error; + goto free; } /* Allow the platform setup code to pass in a MAC address. */ diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 37cc1f838dd8..96310e2ee545 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -845,8 +845,10 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev) continue; err = gfar_parse_group(child, priv, model); - if (err) + if (err) { + of_node_put(child); goto err_grp_init; + } } } else { /* SQ_SG_MODE */ err = gfar_parse_group(np, priv, model); diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 55ac00055977..96a1f62cc148 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -45,6 +45,7 @@ #include <asm/ucc.h> #include <asm/ucc_fast.h> #include <asm/machdep.h> +#include <net/sch_generic.h> #include "ucc_geth.h" @@ -1551,11 +1552,8 @@ static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode) static void ugeth_quiesce(struct ucc_geth_private *ugeth) { - /* Prevent any further xmits, plus detach the device. */ - netif_device_detach(ugeth->ndev); - - /* Wait for any current xmits to finish. */ - netif_tx_disable(ugeth->ndev); + /* Prevent any further xmits */ + netif_tx_stop_all_queues(ugeth->ndev); /* Disable the interrupt to avoid NAPI rescheduling. */ disable_irq(ugeth->ug_info->uf_info.irq); @@ -1568,7 +1566,10 @@ static void ugeth_activate(struct ucc_geth_private *ugeth) { napi_enable(&ugeth->napi); enable_irq(ugeth->ug_info->uf_info.irq); - netif_device_attach(ugeth->ndev); + + /* allow to xmit again */ + netif_tx_wake_all_queues(ugeth->ndev); + __netdev_watchdog_up(ugeth->ndev); } /* Called every time the controller might need to be made diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index 3ce41efe8a94..4dd57e6bb3f9 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -331,8 +331,10 @@ struct hnae_handle *hnae_get_handle(struct device *owner_dev, return ERR_PTR(-ENODEV); handle = dev->ops->get_handle(dev, port_id); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + put_device(&dev->cls_dev); return handle; + } handle->dev = dev; handle->owner_dev = owner_dev; @@ -355,6 +357,8 @@ out_when_init_queue: for (j = i - 1; j >= 0; j--) hnae_fini_queue(handle->qs[j]); + put_device(&dev->cls_dev); + return ERR_PTR(-ENOMEM); } EXPORT_SYMBOL(hnae_get_handle); @@ -376,6 +380,8 @@ void hnae_put_handle(struct hnae_handle *h) dev->ops->put_handle(h); module_put(dev->owner); + + put_device(&dev->cls_dev); } EXPORT_SYMBOL(hnae_put_handle); diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index fdbba588c6db..efe84ca20da7 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -1169,16 +1169,15 @@ static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe) ec = EHEA_BMASK_GET(NEQE_EVENT_CODE, eqe); portnum = EHEA_BMASK_GET(NEQE_PORTNUM, eqe); port = ehea_get_port(adapter, portnum); + if (!port) { + netdev_err(NULL, "unknown portnum %x\n", portnum); + return; + } dev = port->netdev; switch (ec) { case EHEA_EC_PORTSTATE_CHG: /* port state change */ - if (!port) { - netdev_err(dev, "unknown portnum %x\n", portnum); - break; - } - if (EHEA_BMASK_GET(NEQE_PORT_UP, eqe)) { if (!netif_carrier_ok(dev)) { ret = ehea_sense_port_attr(port); diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 1f84f2fa459f..f958188207fd 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3162,8 +3162,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); if (skb->data_len && hdr_len == len) { switch (hw->mac_type) { + case e1000_82544: { unsigned int pull_size; - case e1000_82544: + /* Make sure we have room to chop off 4 bytes, * and that the end alignment will work out to * this hardware's requirements @@ -3184,6 +3185,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, } len = skb_headlen(skb); break; + } default: /* do nothing */ break; diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index 0b748d1959d9..d1bff82a38f8 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -585,7 +585,6 @@ static inline u32 __er32(struct e1000_hw *hw, unsigned long reg) #define er32(reg) __er32(hw, E1000_##reg) -s32 __ew32_prepare(struct e1000_hw *hw); void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val); #define ew32(reg, val) __ew32(hw, E1000_##reg, (val)) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 7d64edeb1830..3bd0bdbdfa0e 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -136,14 +136,12 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = { * has bit 24 set while ME is accessing MAC CSR registers, wait if it is set * and try again a number of times. **/ -s32 __ew32_prepare(struct e1000_hw *hw) +static void __ew32_prepare(struct e1000_hw *hw) { s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT; while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i) udelay(50); - - return i; } void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val) @@ -624,11 +622,11 @@ static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i) { struct e1000_adapter *adapter = rx_ring->adapter; struct e1000_hw *hw = &adapter->hw; - s32 ret_val = __ew32_prepare(hw); + __ew32_prepare(hw); writel(i, rx_ring->tail); - if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) { + if (unlikely(i != readl(rx_ring->tail))) { u32 rctl = er32(RCTL); ew32(RCTL, rctl & ~E1000_RCTL_EN); @@ -641,11 +639,11 @@ static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i) { struct e1000_adapter *adapter = tx_ring->adapter; struct e1000_hw *hw = &adapter->hw; - s32 ret_val = __ew32_prepare(hw); + __ew32_prepare(hw); writel(i, tx_ring->tail); - if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) { + if (unlikely(i != readl(tx_ring->tail))) { u32 tctl = er32(TCTL); ew32(TCTL, tctl & ~E1000_TCTL_EN); @@ -6272,11 +6270,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 ctrl, ctrl_ext, rctl, status; - /* Runtime suspend should only enable wakeup for link changes */ - u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol; + u32 ctrl, ctrl_ext, rctl, status, wufc; int retval = 0; + /* Runtime suspend should only enable wakeup for link changes */ + if (runtime) + wufc = E1000_WUFC_LNKC; + else if (device_may_wakeup(&pdev->dev)) + wufc = adapter->wol; + else + wufc = 0; + status = er32(STATUS); if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; @@ -6334,7 +6338,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw); } else if ((hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) { - if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) + if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) /* ULP does not support wake from unicast, multicast * or broadcast. */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.c b/drivers/net/ethernet/intel/i40e/i40e_hmc.c index 5ebe12d56ebf..a7c7b1d9b7c8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_hmc.c +++ b/drivers/net/ethernet/intel/i40e/i40e_hmc.c @@ -49,7 +49,7 @@ i40e_status i40e_add_sd_table_entry(struct i40e_hw *hw, struct i40e_hmc_sd_entry *sd_entry; bool dma_mem_alloc_done = false; struct i40e_dma_mem mem; - i40e_status ret_code; + i40e_status ret_code = I40E_SUCCESS; u64 alloc_len; if (NULL == hmc_info->sd_table.sd_entry) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index dd4e6ea9e0e1..af7f97791320 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -266,7 +266,7 @@ static i40e_status i40e_read_nvm_aq(struct i40e_hw *hw, u8 module_pointer, * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) * @data: word read from the Shadow RAM * - * Reads one 16 bit word from the Shadow RAM using the GLNVM_SRCTL register. + * Reads one 16 bit word from the Shadow RAM using the AdminQ **/ static i40e_status i40e_read_nvm_word_aq(struct i40e_hw *hw, u16 offset, u16 *data) @@ -280,27 +280,49 @@ static i40e_status i40e_read_nvm_word_aq(struct i40e_hw *hw, u16 offset, } /** - * i40e_read_nvm_word - Reads Shadow RAM + * __i40e_read_nvm_word - Reads nvm word, assumes called does the locking * @hw: pointer to the HW structure * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) * @data: word read from the Shadow RAM * - * Reads one 16 bit word from the Shadow RAM using the GLNVM_SRCTL register. + * Reads one 16 bit word from the Shadow RAM. + * + * Do not use this function except in cases where the nvm lock is already + * taken via i40e_acquire_nvm(). + **/ +static i40e_status __i40e_read_nvm_word(struct i40e_hw *hw, + u16 offset, u16 *data) +{ + i40e_status ret_code = 0; + + if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) + ret_code = i40e_read_nvm_word_aq(hw, offset, data); + else + ret_code = i40e_read_nvm_word_srctl(hw, offset, data); + return ret_code; +} + +/** + * i40e_read_nvm_word - Reads nvm word and acquire lock if necessary + * @hw: pointer to the HW structure + * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) + * @data: word read from the Shadow RAM + * + * Reads one 16 bit word from the Shadow RAM. **/ i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, u16 *data) { - enum i40e_status_code ret_code = 0; + i40e_status ret_code = 0; ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); - if (!ret_code) { - if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) { - ret_code = i40e_read_nvm_word_aq(hw, offset, data); - } else { - ret_code = i40e_read_nvm_word_srctl(hw, offset, data); - } - i40e_release_nvm(hw); - } + if (ret_code) + return ret_code; + + ret_code = __i40e_read_nvm_word(hw, offset, data); + + i40e_release_nvm(hw); + return ret_code; } @@ -393,31 +415,25 @@ read_nvm_buffer_aq_exit: } /** - * i40e_read_nvm_buffer - Reads Shadow RAM buffer + * __i40e_read_nvm_buffer - Reads nvm buffer, caller must acquire lock * @hw: pointer to the HW structure * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF). * @words: (in) number of words to read; (out) number of words actually read * @data: words read from the Shadow RAM * * Reads 16 bit words (data buffer) from the SR using the i40e_read_nvm_srrd() - * method. The buffer read is preceded by the NVM ownership take - * and followed by the release. + * method. **/ -i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, - u16 *words, u16 *data) +static i40e_status __i40e_read_nvm_buffer(struct i40e_hw *hw, + u16 offset, u16 *words, + u16 *data) { - enum i40e_status_code ret_code = 0; + i40e_status ret_code = 0; - if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) { - ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); - if (!ret_code) { - ret_code = i40e_read_nvm_buffer_aq(hw, offset, words, - data); - i40e_release_nvm(hw); - } - } else { + if (hw->flags & I40E_HW_FLAG_AQ_SRCTL_ACCESS_ENABLE) + ret_code = i40e_read_nvm_buffer_aq(hw, offset, words, data); + else ret_code = i40e_read_nvm_buffer_srctl(hw, offset, words, data); - } return ret_code; } @@ -499,15 +515,15 @@ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw, data = (u16 *)vmem.va; /* read pointer to VPD area */ - ret_code = i40e_read_nvm_word(hw, I40E_SR_VPD_PTR, &vpd_module); + ret_code = __i40e_read_nvm_word(hw, I40E_SR_VPD_PTR, &vpd_module); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; goto i40e_calc_nvm_checksum_exit; } /* read pointer to PCIe Alt Auto-load module */ - ret_code = i40e_read_nvm_word(hw, I40E_SR_PCIE_ALT_AUTO_LOAD_PTR, - &pcie_alt_module); + ret_code = __i40e_read_nvm_word(hw, I40E_SR_PCIE_ALT_AUTO_LOAD_PTR, + &pcie_alt_module); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; goto i40e_calc_nvm_checksum_exit; @@ -521,7 +537,7 @@ static i40e_status i40e_calc_nvm_checksum(struct i40e_hw *hw, if ((i % I40E_SR_SECTOR_SIZE_IN_WORDS) == 0) { u16 words = I40E_SR_SECTOR_SIZE_IN_WORDS; - ret_code = i40e_read_nvm_buffer(hw, i, &words, data); + ret_code = __i40e_read_nvm_buffer(hw, i, &words, data); if (ret_code) { ret_code = I40E_ERR_NVM_CHECKSUM; goto i40e_calc_nvm_checksum_exit; @@ -593,14 +609,19 @@ i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, u16 checksum_sr = 0; u16 checksum_local = 0; + /* We must acquire the NVM lock in order to correctly synchronize the + * NVM accesses across multiple PFs. Without doing so it is possible + * for one of the PFs to read invalid data potentially indicating that + * the checksum is invalid. + */ + ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (ret_code) + return ret_code; ret_code = i40e_calc_nvm_checksum(hw, &checksum_local); + __i40e_read_nvm_word(hw, I40E_SR_SW_CHECKSUM_WORD, &checksum_sr); + i40e_release_nvm(hw); if (ret_code) - goto i40e_validate_nvm_checksum_exit; - - /* Do not use i40e_read_nvm_word() because we do not want to take - * the synchronization semaphores twice here. - */ - i40e_read_nvm_word(hw, I40E_SR_SW_CHECKSUM_WORD, &checksum_sr); + return ret_code; /* Verify read checksum from EEPROM is the same as * calculated checksum @@ -612,7 +633,6 @@ i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, if (checksum) *checksum = checksum_local; -i40e_validate_nvm_checksum_exit: return ret_code; } @@ -958,6 +978,7 @@ retry: break; case I40E_NVMUPD_CSUM_CON: + /* Assumes the caller has acquired the nvm */ status = i40e_update_nvm_checksum(hw); if (status) { *perrno = hw->aq.asq_last_status ? @@ -971,6 +992,7 @@ retry: break; case I40E_NVMUPD_CSUM_LCB: + /* Assumes the caller has acquired the nvm */ status = i40e_update_nvm_checksum(hw); if (status) { *perrno = hw->aq.asq_last_status ? diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h index bb9d583e5416..6caa2ab0ad74 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h @@ -282,8 +282,6 @@ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, void i40e_release_nvm(struct i40e_hw *hw); i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, u16 *data); -i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, - u16 *words, u16 *data); i40e_status i40e_update_nvm_checksum(struct i40e_hw *hw); i40e_status i40e_validate_nvm_checksum(struct i40e_hw *hw, u16 *checksum); diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 0fdcd4d1b982..21d9d02885cb 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -386,8 +386,7 @@ do { \ #define array_wr32(reg, offset, value) \ wr32((reg) + ((offset) << 2), (value)) -#define array_rd32(reg, offset) \ - (readl(hw->hw_addr + reg + ((offset) << 2))) +#define array_rd32(reg, offset) (igb_rd32(hw, reg + ((offset) << 2))) /* DMA Coalescing registers */ #define E1000_PCIEMISC 0x05BB8 /* PCIE misc config register */ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 2529bc625de4..43561ccf4e45 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -143,7 +143,8 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) u32 status; u32 speed; - status = rd32(E1000_STATUS); + status = pm_runtime_suspended(&adapter->pdev->dev) ? + 0 : rd32(E1000_STATUS); if (hw->phy.media_type == e1000_media_type_copper) { ecmd->supported = (SUPPORTED_10baseT_Half | diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 9404f38d9d0d..a4aa4d10ca70 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -946,7 +946,6 @@ static void igb_configure_msix(struct igb_adapter *adapter) static int igb_request_msix(struct igb_adapter *adapter) { struct net_device *netdev = adapter->netdev; - struct e1000_hw *hw = &adapter->hw; int i, err = 0, vector = 0, free_vector = 0; err = request_irq(adapter->msix_entries[vector].vector, @@ -959,7 +958,7 @@ static int igb_request_msix(struct igb_adapter *adapter) vector++; - q_vector->itr_register = hw->hw_addr + E1000_EITR(vector); + q_vector->itr_register = adapter->io_addr + E1000_EITR(vector); if (q_vector->rx.ring && q_vector->tx.ring) sprintf(q_vector->name, "%s-TxRx-%u", netdev->name, @@ -1230,7 +1229,7 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter, q_vector->tx.work_limit = adapter->tx_work_limit; /* initialize ITR configuration */ - q_vector->itr_register = adapter->hw.hw_addr + E1000_EITR(0); + q_vector->itr_register = adapter->io_addr + E1000_EITR(0); q_vector->itr_val = IGB_START_ITR; /* initialize pointer to rings */ @@ -3296,7 +3295,7 @@ void igb_configure_tx_ring(struct igb_adapter *adapter, tdba & 0x00000000ffffffffULL); wr32(E1000_TDBAH(reg_idx), tdba >> 32); - ring->tail = hw->hw_addr + E1000_TDT(reg_idx); + ring->tail = adapter->io_addr + E1000_TDT(reg_idx); wr32(E1000_TDH(reg_idx), 0); writel(0, ring->tail); @@ -3652,7 +3651,7 @@ void igb_configure_rx_ring(struct igb_adapter *adapter, ring->count * sizeof(union e1000_adv_rx_desc)); /* initialize head and tail */ - ring->tail = hw->hw_addr + E1000_RDT(reg_idx); + ring->tail = adapter->io_addr + E1000_RDT(reg_idx); wr32(E1000_RDH(reg_idx), 0); writel(0, ring->tail); @@ -5138,9 +5137,18 @@ static void igb_reset_task(struct work_struct *work) struct igb_adapter *adapter; adapter = container_of(work, struct igb_adapter, reset_task); + rtnl_lock(); + /* If we're already down or resetting, just bail */ + if (test_bit(__IGB_DOWN, &adapter->state) || + test_bit(__IGB_RESETTING, &adapter->state)) { + rtnl_unlock(); + return; + } + igb_dump(adapter); netdev_err(adapter->netdev, "Reset adapter\n"); igb_reinit_locked(adapter); + rtnl_unlock(); } /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index cd2afe92f1da..e10808b3d118 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -2185,7 +2185,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw) } /* Configure pause time (2 TCs per register) */ - reg = hw->fc.pause_time * 0x00010001; + reg = hw->fc.pause_time * 0x00010001U; for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 82f080a5ed5c..7fe6c2cf1c62 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -762,10 +762,10 @@ txq_put_data_tso(struct net_device *dev, struct tx_queue *txq, if (length <= 8 && (uintptr_t)data & 0x7) { /* Copy unaligned small data fragment to TSO header data area */ - memcpy(txq->tso_hdrs + txq->tx_curr_desc * TSO_HEADER_SIZE, + memcpy(txq->tso_hdrs + tx_index * TSO_HEADER_SIZE, data, length); desc->buf_ptr = txq->tso_hdrs_dma - + txq->tx_curr_desc * TSO_HEADER_SIZE; + + tx_index * TSO_HEADER_SIZE; } else { /* Alignment is okay, map buffer and hand off to hardware */ txq->tx_desc_mapping[tx_index] = DESC_DMA_MAP_SINGLE; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 1c300259d70a..575da945f151 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3058,26 +3058,25 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp) const struct mvneta_statistic *s; void __iomem *base = pp->base; u32 high, low, val; + u64 val64; int i; for (i = 0, s = mvneta_statistics; s < mvneta_statistics + ARRAY_SIZE(mvneta_statistics); s++, i++) { - val = 0; - switch (s->type) { case T_REG_32: val = readl_relaxed(base + s->offset); + pp->ethtool_stats[i] += val; break; case T_REG_64: /* Docs say to read low 32-bit then high */ low = readl_relaxed(base + s->offset); high = readl_relaxed(base + s->offset + 4); - val = (u64)high << 32 | low; + val64 = (u64)high << 32 | low; + pp->ethtool_stats[i] += val64; break; } - - pp->ethtool_stats[i] += val; } } @@ -3406,7 +3405,7 @@ static int mvneta_probe(struct platform_device *pdev) dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; dev->hw_features |= dev->features; dev->vlan_features |= dev->features; - dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; + dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; dev->gso_max_segs = MVNETA_MAX_TSO_SEGS; err = register_netdev(dev); diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 03f0d20aa08b..b508345aeca6 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -3305,7 +3305,7 @@ static void mvpp2_cls_init(struct mvpp2 *priv) mvpp2_write(priv, MVPP2_CLS_MODE_REG, MVPP2_CLS_MODE_ACTIVE_MASK); /* Clear classifier flow table */ - memset(&fe.data, 0, MVPP2_CLS_FLOWS_TBL_DATA_WORDS); + memset(&fe.data, 0, sizeof(fe.data)); for (index = 0; index < MVPP2_CLS_FLOWS_TBL_SIZE; index++) { fe.index = index; mvpp2_cls_flow_write(priv, &fe); diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 8ba9eadc2079..3fb9cbdac3bf 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -215,7 +215,7 @@ io_error: static inline u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) { - u16 v; + u16 v = 0; __gm_phy_read(hw, port, reg, &v); return v; } diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c index e203d0c4e5a3..53daa6ca5d83 100644 --- a/drivers/net/ethernet/mellanox/mlx4/catas.c +++ b/drivers/net/ethernet/mellanox/mlx4/catas.c @@ -182,10 +182,17 @@ void mlx4_enter_error_state(struct mlx4_dev_persistent *persist) err = mlx4_reset_slave(dev); else err = mlx4_reset_master(dev); - BUG_ON(err != 0); + if (!err) { + mlx4_err(dev, "device was reset successfully\n"); + } else { + /* EEH could have disabled the PCI channel during reset. That's + * recoverable and the PCI error flow will handle it. + */ + if (!pci_channel_offline(dev->persist->pdev)) + BUG_ON(1); + } dev->persist->state |= MLX4_DEVICE_STATE_INTERNAL_ERROR; - mlx4_err(dev, "device was reset successfully\n"); mutex_unlock(&persist->device_state_mutex); /* At that step HW was already reset, now notify clients */ diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 9e104dcfa9dd..dc1cb6fc5b4e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -2451,6 +2451,7 @@ err_comm_admin: kfree(priv->mfunc.master.slave_state); err_comm: iounmap(priv->mfunc.comm); + priv->mfunc.comm = NULL; err_vhcr: dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE, priv->mfunc.vhcr, @@ -2518,6 +2519,13 @@ void mlx4_report_internal_err_comm_event(struct mlx4_dev *dev) int slave; u32 slave_read; + /* If the comm channel has not yet been initialized, + * skip reporting the internal error event to all + * the communication channels. + */ + if (!priv->mfunc.comm) + return; + /* Report an internal error event to all * communication channels. */ @@ -2552,6 +2560,7 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev) } iounmap(priv->mfunc.comm); + priv->mfunc.comm = NULL; } void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 232191417b93..7d61a5de9d5a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -424,14 +424,18 @@ static int mlx4_en_vlan_rx_add_vid(struct net_device *dev, mutex_lock(&mdev->state_lock); if (mdev->device_up && priv->port_up) { err = mlx4_SET_VLAN_FLTR(mdev->dev, priv); - if (err) + if (err) { en_err(priv, "Failed configuring VLAN filter\n"); + goto out; + } } - if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx)) - en_dbg(HW, priv, "failed adding vlan %d\n", vid); - mutex_unlock(&mdev->state_lock); + err = mlx4_register_vlan(mdev->dev, priv->port, vid, &idx); + if (err) + en_dbg(HW, priv, "Failed adding vlan %d\n", vid); - return 0; +out: + mutex_unlock(&mdev->state_lock); + return err; } static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, @@ -439,7 +443,7 @@ static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; - int err; + int err = 0; en_dbg(HW, priv, "Killing VID:%d\n", vid); @@ -456,7 +460,7 @@ static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, } mutex_unlock(&mdev->state_lock); - return 0; + return err; } static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac) @@ -1716,6 +1720,16 @@ int mlx4_en_start_port(struct net_device *dev) vxlan_get_rx_port(dev); #endif priv->port_up = true; + + /* Process all completions if exist to prevent + * the queues freezing if they are full + */ + for (i = 0; i < priv->rx_ring_num; i++) { + local_bh_disable(); + napi_schedule(&priv->rx_cq[i]->napi); + local_bh_enable(); + } + netif_tx_start_all_queues(dev); netif_device_attach(dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index 3904b5fc0b7c..96fc35a9bb05 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -164,7 +164,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) return PTR_ERR(mailbox); err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0, MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_WRAPPED); + MLX4_CMD_NATIVE); if (err) goto out; @@ -325,7 +325,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL, 0, MLX4_CMD_DUMP_ETH_STATS, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) goto out; } diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 033f99d2f15c..0a4e9731d33b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -610,8 +610,7 @@ int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, MLX4_GET(func_cap->phys_port_id, outbox, QUERY_FUNC_CAP_PHYS_PORT_ID); - MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); - func_cap->flags |= (field & QUERY_FUNC_CAP_PHV_BIT); + MLX4_GET(func_cap->flags0, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); /* All other resources are allocated by the master, but we still report * 'num' and 'reserved' capabilities as follows: @@ -2523,7 +2522,7 @@ void mlx4_opreq_action(struct work_struct *work) if (err) { mlx4_err(dev, "Failed to retrieve required operation: %d\n", err); - return; + goto out; } MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); @@ -2840,7 +2839,7 @@ int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv) memset(&func_cap, 0, sizeof(func_cap)); err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap); if (!err) - *phv = func_cap.flags & QUERY_FUNC_CAP_PHV_BIT; + *phv = func_cap.flags0 & QUERY_FUNC_CAP_PHV_BIT; return err; } EXPORT_SYMBOL(get_phv_bit); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 08de5555c2f4..074631be342b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -150,7 +150,7 @@ struct mlx4_func_cap { u32 qp1_proxy_qpn; u32 reserved_lkey; u8 physical_port; - u8 port_flags; + u8 flags0; u8 flags1; u64 phys_port_id; u32 extra_flags; diff --git a/drivers/net/ethernet/mellanox/mlx4/intf.c b/drivers/net/ethernet/mellanox/mlx4/intf.c index 1a134e08f010..cfc2a7632201 100644 --- a/drivers/net/ethernet/mellanox/mlx4/intf.c +++ b/drivers/net/ethernet/mellanox/mlx4/intf.c @@ -217,6 +217,9 @@ void mlx4_unregister_device(struct mlx4_dev *dev) struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_interface *intf; + if (!(dev->persist->interface_state & MLX4_INTERFACE_STATE_UP)) + return; + mlx4_stop_catas_poll(dev); if (dev->persist->interface_state & MLX4_INTERFACE_STATE_DELETION && mlx4_is_slave(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index a7d3144c2388..b774ba64bd4b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2295,6 +2295,7 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev) if (!err || err == -ENOSPC) { priv->def_counter[port] = idx; + err = 0; } else if (err == -ENOENT) { err = 0; continue; @@ -2344,7 +2345,8 @@ int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (!err) *idx = get_param_l(&out_param); - + if (WARN_ON(err == -ENOSPC)) + err = -EINVAL; return err; } return __mlx4_counter_alloc(dev, idx); @@ -3854,45 +3856,53 @@ static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) { struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); struct mlx4_dev *dev = persist->dev; - struct mlx4_priv *priv = mlx4_priv(dev); - int ret; - int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; - int total_vfs; + int err; mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); - ret = pci_enable_device(pdev); - if (ret) { - mlx4_err(dev, "Can not re-enable device, ret=%d\n", ret); + err = pci_enable_device(pdev); + if (err) { + mlx4_err(dev, "Can not re-enable device, err=%d\n", err); return PCI_ERS_RESULT_DISCONNECT; } pci_set_master(pdev); pci_restore_state(pdev); pci_save_state(pdev); + return PCI_ERS_RESULT_RECOVERED; +} +static void mlx4_pci_resume(struct pci_dev *pdev) +{ + struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); + struct mlx4_dev *dev = persist->dev; + struct mlx4_priv *priv = mlx4_priv(dev); + int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; + int total_vfs; + int err; + + mlx4_err(dev, "%s was called\n", __func__); total_vfs = dev->persist->num_vfs; memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); mutex_lock(&persist->interface_state_mutex); if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { - ret = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, + err = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, priv, 1); - if (ret) { - mlx4_err(dev, "%s: mlx4_load_one failed, ret=%d\n", - __func__, ret); + if (err) { + mlx4_err(dev, "%s: mlx4_load_one failed, err=%d\n", + __func__, err); goto end; } - ret = restore_current_port_types(dev, dev->persist-> + err = restore_current_port_types(dev, dev->persist-> curr_port_type, dev->persist-> curr_port_poss_type); - if (ret) - mlx4_err(dev, "could not restore original port types (%d)\n", ret); + if (err) + mlx4_err(dev, "could not restore original port types (%d)\n", err); } end: mutex_unlock(&persist->interface_state_mutex); - return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; } static void mlx4_shutdown(struct pci_dev *pdev) @@ -3909,6 +3919,7 @@ static void mlx4_shutdown(struct pci_dev *pdev) static const struct pci_error_handlers mlx4_err_handler = { .error_detected = mlx4_pci_err_detected, .slot_reset = mlx4_pci_slot_reset, + .resume = mlx4_pci_resume, }; static struct pci_driver mlx4_driver = { diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index 3bf63de3a725..15c8f53f2497 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -1109,7 +1109,7 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], struct mlx4_cmd_mailbox *mailbox; struct mlx4_mgm *mgm; u32 members_count; - int index, prev; + int index = -1, prev; int link = 0; int i; int err; @@ -1188,7 +1188,7 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], goto out; out: - if (prot == MLX4_PROT_ETH) { + if (prot == MLX4_PROT_ETH && index != -1) { /* manage the steering entry for promisc mode */ if (new_entry) err = new_steering_entry(dev, port, steer, @@ -1464,7 +1464,12 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_detach); int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn, enum mlx4_net_trans_promisc_mode mode) { - struct mlx4_net_trans_rule rule; + struct mlx4_net_trans_rule rule = { + .queue_mode = MLX4_NET_TRANS_Q_FIFO, + .exclusive = 0, + .allow_loopback = 1, + }; + u64 *regid_p; switch (mode) { diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index db40387ffaf6..b0af462f5e04 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -143,9 +143,10 @@ enum mlx4_resource { RES_MTT, RES_MAC, RES_VLAN, - RES_EQ, + RES_NPORT_ID, RES_COUNTER, RES_FS_RULE, + RES_EQ, MLX4_NUM_OF_RESOURCE_TYPE }; @@ -1312,8 +1313,6 @@ int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_cmd_info *cmd); int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function, int port, void *buf); -int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, u32 in_mod, - struct mlx4_cmd_mailbox *outbox); int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 53833c06696f..00a105c63567 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -114,7 +114,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) goto err_out; for (i = 0; i <= buddy->max_order; ++i) { - s = BITS_TO_LONGS(1 << (buddy->max_order - i)); + s = BITS_TO_LONGS(1UL << (buddy->max_order - i)); buddy->bits[i] = kcalloc(s, sizeof (long), GFP_KERNEL | __GFP_NOWARN); if (!buddy->bits[i]) { buddy->bits[i] = vzalloc(s * sizeof(long)); diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index a9c4818448f9..d764081ef675 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -1155,24 +1155,13 @@ int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave, return err; } -int mlx4_common_dump_eth_stats(struct mlx4_dev *dev, int slave, - u32 in_mod, struct mlx4_cmd_mailbox *outbox) -{ - return mlx4_cmd_box(dev, 0, outbox->dma, in_mod, 0, - MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_NATIVE); -} - int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { - if (slave != dev->caps.function) - return 0; - return mlx4_common_dump_eth_stats(dev, slave, - vhcr->in_modifier, outbox); + return 0; } int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 170a49a6803e..6466edfc833b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -918,11 +918,13 @@ static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port, spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, counter_index, RES_COUNTER); - if (!r || r->owner != slave) + if (!r || r->owner != slave) { ret = -EINVAL; - counter = container_of(r, struct res_counter, com); - if (!counter->port) - counter->port = port; + } else { + counter = container_of(r, struct res_counter, com); + if (!counter->port) + counter->port = port; + } spin_unlock_irq(mlx4_tlock(dev)); return ret; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 9ac14df0ca3b..3f98c8361ccd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -634,17 +634,43 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); +static u16 msg_to_opcode(struct mlx5_cmd_msg *in) +{ + struct mlx5_inbox_hdr *hdr = (struct mlx5_inbox_hdr *)(in->first.data); + + return be16_to_cpu(hdr->opcode); +} + +static void cb_timeout_handler(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, + work); + struct mlx5_cmd_work_ent *ent = container_of(dwork, + struct mlx5_cmd_work_ent, + cb_timeout_work); + struct mlx5_core_dev *dev = container_of(ent->cmd, struct mlx5_core_dev, + cmd); + + ent->ret = -ETIMEDOUT; + mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", + mlx5_command_str(msg_to_opcode(ent->in)), + msg_to_opcode(ent->in)); + mlx5_cmd_comp_handler(dev, 1UL << ent->idx); +} + static void cmd_work_handler(struct work_struct *work) { struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); struct mlx5_cmd *cmd = ent->cmd; struct mlx5_core_dev *dev = container_of(cmd, struct mlx5_core_dev, cmd); + unsigned long cb_timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); struct mlx5_cmd_layout *lay; struct semaphore *sem; unsigned long flags; int alloc_ret; int cmd_mode; + complete(&ent->handling); sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; down(sem); if (!ent->page_queue) { @@ -691,6 +717,9 @@ static void cmd_work_handler(struct work_struct *work) ent->ts1 = ktime_get_ns(); cmd_mode = cmd->mode; + if (ent->callback) + schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); + /* ring doorbell after the descriptor is valid */ mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); wmb(); @@ -735,32 +764,36 @@ static const char *deliv_status_to_str(u8 status) } } -static u16 msg_to_opcode(struct mlx5_cmd_msg *in) -{ - struct mlx5_inbox_hdr *hdr = (struct mlx5_inbox_hdr *)(in->first.data); - - return be16_to_cpu(hdr->opcode); -} - static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) { unsigned long timeout = msecs_to_jiffies(MLX5_CMD_TIMEOUT_MSEC); struct mlx5_cmd *cmd = &dev->cmd; int err; + if (!wait_for_completion_timeout(&ent->handling, timeout) && + cancel_work_sync(&ent->work)) { + ent->ret = -ECANCELED; + goto out_err; + } + if (cmd->mode == CMD_MODE_POLLING) { wait_for_completion(&ent->done); - err = ent->ret; - } else { - if (!wait_for_completion_timeout(&ent->done, timeout)) - err = -ETIMEDOUT; - else - err = 0; + } else if (!wait_for_completion_timeout(&ent->done, timeout)) { + ent->ret = -ETIMEDOUT; + mlx5_cmd_comp_handler(dev, 1UL << ent->idx); } + +out_err: + err = ent->ret; + if (err == -ETIMEDOUT) { mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); + } else if (err == -ECANCELED) { + mlx5_core_warn(dev, "%s(0x%x) canceled on out of queue timeout.\n", + mlx5_command_str(msg_to_opcode(ent->in)), + msg_to_opcode(ent->in)); } mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n", err, deliv_status_to_str(ent->status), ent->status); @@ -805,9 +838,11 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, ent->token = token; + init_completion(&ent->handling); if (!callback) init_completion(&ent->done); + INIT_DELAYED_WORK(&ent->cb_timeout_work, cb_timeout_handler); INIT_WORK(&ent->work, cmd_work_handler); if (page_queue) { cmd_work_handler(&ent->work); @@ -817,28 +852,28 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, goto out_free; } - if (!callback) { - err = wait_func(dev, ent); - if (err == -ETIMEDOUT) - goto out; - - ds = ent->ts2 - ent->ts1; - op = be16_to_cpu(((struct mlx5_inbox_hdr *)in->first.data)->opcode); - if (op < ARRAY_SIZE(cmd->stats)) { - stats = &cmd->stats[op]; - spin_lock_irq(&stats->lock); - stats->sum += ds; - ++stats->n; - spin_unlock_irq(&stats->lock); - } - mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, - "fw exec time for %s is %lld nsec\n", - mlx5_command_str(op), ds); - *status = ent->status; - free_cmd(ent); - } + if (callback) + goto out; + if (err == -ECANCELED) + goto out_free; - return err; + err = wait_func(dev, ent); + if (err == -ETIMEDOUT) + goto out_free; + + ds = ent->ts2 - ent->ts1; + op = be16_to_cpu(((struct mlx5_inbox_hdr *)in->first.data)->opcode); + if (op < ARRAY_SIZE(cmd->stats)) { + stats = &cmd->stats[op]; + spin_lock_irq(&stats->lock); + stats->sum += ds; + ++stats->n; + spin_unlock_irq(&stats->lock); + } + mlx5_core_dbg_mask(dev, 1 << MLX5_CMD_TIME, + "fw exec time for %s is %lld nsec\n", + mlx5_command_str(op), ds); + *status = ent->status; out_free: free_cmd(ent); @@ -1230,41 +1265,30 @@ err_dbg: return err; } -void mlx5_cmd_use_events(struct mlx5_core_dev *dev) +static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode) { struct mlx5_cmd *cmd = &dev->cmd; int i; for (i = 0; i < cmd->max_reg_cmds; i++) down(&cmd->sem); - down(&cmd->pages_sem); - flush_workqueue(cmd->wq); - - cmd->mode = CMD_MODE_EVENTS; + cmd->mode = mode; up(&cmd->pages_sem); for (i = 0; i < cmd->max_reg_cmds; i++) up(&cmd->sem); } -void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) +void mlx5_cmd_use_events(struct mlx5_core_dev *dev) { - struct mlx5_cmd *cmd = &dev->cmd; - int i; - - for (i = 0; i < cmd->max_reg_cmds; i++) - down(&cmd->sem); - - down(&cmd->pages_sem); - - flush_workqueue(cmd->wq); - cmd->mode = CMD_MODE_POLLING; + mlx5_cmd_change_mod(dev, CMD_MODE_EVENTS); +} - up(&cmd->pages_sem); - for (i = 0; i < cmd->max_reg_cmds; i++) - up(&cmd->sem); +void mlx5_cmd_use_polling(struct mlx5_core_dev *dev) +{ + mlx5_cmd_change_mod(dev, CMD_MODE_POLLING); } static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) @@ -1300,6 +1324,8 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec) struct semaphore *sem; ent = cmd->ent_arr[i]; + if (ent->callback) + cancel_delayed_work(&ent->cb_timeout_work); if (ent->page_queue) sem = &cmd->pages_sem; else diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 7a716733d9ca..717a381bcfd1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -543,7 +543,7 @@ enum mlx5e_link_mode { MLX5E_100GBASE_KR4 = 22, MLX5E_100GBASE_LR4 = 23, MLX5E_100BASE_TX = 24, - MLX5E_100BASE_T = 25, + MLX5E_1000BASE_T = 25, MLX5E_10GBASE_T = 26, MLX5E_25GBASE_CR = 27, MLX5E_25GBASE_KR = 28, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c1dd75fe935f..392fa74f1952 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -138,10 +138,10 @@ static const struct { [MLX5E_100BASE_TX] = { .speed = 100, }, - [MLX5E_100BASE_T] = { - .supported = SUPPORTED_100baseT_Full, - .advertised = ADVERTISED_100baseT_Full, - .speed = 100, + [MLX5E_1000BASE_T] = { + .supported = SUPPORTED_1000baseT_Full, + .advertised = ADVERTISED_1000baseT_Full, + .speed = 1000, }, [MLX5E_10GBASE_T] = { .supported = SUPPORTED_10000baseT_Full, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 1341b1d3c421..7e2026429d26 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -124,7 +124,7 @@ static inline u16 mlx5e_get_inline_hdr_size(struct mlx5e_sq *sq, * headers and occur before the data gather. * Therefore these headers must be copied into the WQE */ -#define MLX5E_MIN_INLINE ETH_HLEN +#define MLX5E_MIN_INLINE (ETH_HLEN + VLAN_HLEN) if (bf) { u16 ihs = skb_headlen(skb); @@ -136,7 +136,7 @@ static inline u16 mlx5e_get_inline_hdr_size(struct mlx5e_sq *sq, return skb_headlen(skb); } - return MLX5E_MIN_INLINE; + return max(skb_network_offset(skb), MLX5E_MIN_INLINE); } static inline void mlx5e_insert_vlan(void *start, struct sk_buff *skb, u16 ihs) @@ -290,7 +290,8 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) while ((sq->pc & wq->sz_m1) > sq->edge) mlx5e_send_nop(sq, false); - sq->bf_budget = bf ? sq->bf_budget - 1 : 0; + if (bf) + sq->bf_budget--; sq->stats.packets++; return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index f5deb642d0d6..94594d47cae6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -108,15 +108,21 @@ static int in_fatal(struct mlx5_core_dev *dev) void mlx5_enter_error_state(struct mlx5_core_dev *dev) { + mutex_lock(&dev->intf_state_mutex); if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) - return; + goto unlock; mlx5_core_err(dev, "start\n"); - if (pci_channel_offline(dev->pdev) || in_fatal(dev)) + if (pci_channel_offline(dev->pdev) || in_fatal(dev)) { dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; + trigger_cmd_completions(dev); + } mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 0); mlx5_core_err(dev, "end\n"); + +unlock: + mutex_unlock(&dev->intf_state_mutex); } static void mlx5_handle_bad_state(struct mlx5_core_dev *dev) @@ -245,7 +251,6 @@ static void poll_health(unsigned long data) u32 count; if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { - trigger_cmd_completions(dev); mod_timer(&health->timer, get_next_poll_jiffies()); return; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 35bcc6dbada9..e88605de84cc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -933,7 +933,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) if (err) { dev_err(&dev->pdev->dev, "Firmware over %d MS in pre-initializing state, aborting\n", FW_PRE_INIT_TIMEOUT_MILI); - goto out; + goto out_err; } err = mlx5_cmd_init(dev); @@ -1276,15 +1276,43 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, dev_info(&pdev->dev, "%s was called\n", __func__); mlx5_enter_error_state(dev); mlx5_unload_one(dev, priv); + pci_save_state(pdev); mlx5_pci_disable_device(dev); return state == pci_channel_io_perm_failure ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; } +/* wait for the device to show vital signs by waiting + * for the health counter to start counting. + */ +static int wait_vital(struct pci_dev *pdev) +{ + struct mlx5_core_dev *dev = pci_get_drvdata(pdev); + struct mlx5_core_health *health = &dev->priv.health; + const int niter = 100; + u32 last_count = 0; + u32 count; + int i; + + for (i = 0; i < niter; i++) { + count = ioread32be(health->health_counter); + if (count && count != 0xffffffff) { + if (last_count && last_count != count) { + dev_info(&pdev->dev, "Counter value 0x%x after %d iterations\n", count, i); + return 0; + } + last_count = count; + } + msleep(50); + } + + return -ETIMEDOUT; +} + static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) { struct mlx5_core_dev *dev = pci_get_drvdata(pdev); - int err = 0; + int err; dev_info(&pdev->dev, "%s was called\n", __func__); @@ -1294,11 +1322,16 @@ static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) , __func__, err); return PCI_ERS_RESULT_DISCONNECT; } + pci_set_master(pdev); - pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; + if (wait_vital(pdev)) { + dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); + return PCI_ERS_RESULT_DISCONNECT; + } + + return PCI_ERS_RESULT_RECOVERED; } void mlx5_disable_device(struct mlx5_core_dev *dev) @@ -1306,48 +1339,6 @@ void mlx5_disable_device(struct mlx5_core_dev *dev) mlx5_pci_err_detected(dev->pdev, 0); } -/* wait for the device to show vital signs. For now we check - * that we can read the device ID and that the health buffer - * shows a non zero value which is different than 0xffffffff - */ -static void wait_vital(struct pci_dev *pdev) -{ - struct mlx5_core_dev *dev = pci_get_drvdata(pdev); - struct mlx5_core_health *health = &dev->priv.health; - const int niter = 100; - u32 count; - u16 did; - int i; - - /* Wait for firmware to be ready after reset */ - msleep(1000); - for (i = 0; i < niter; i++) { - if (pci_read_config_word(pdev, 2, &did)) { - dev_warn(&pdev->dev, "failed reading config word\n"); - break; - } - if (did == pdev->device) { - dev_info(&pdev->dev, "device ID correctly read after %d iterations\n", i); - break; - } - msleep(50); - } - if (i == niter) - dev_warn(&pdev->dev, "%s-%d: could not read device ID\n", __func__, __LINE__); - - for (i = 0; i < niter; i++) { - count = ioread32be(health->health_counter); - if (count && count != 0xffffffff) { - dev_info(&pdev->dev, "Counter value 0x%x after %d iterations\n", count, i); - break; - } - msleep(50); - } - - if (i == niter) - dev_warn(&pdev->dev, "%s-%d: could not read device ID\n", __func__, __LINE__); -} - static void mlx5_pci_resume(struct pci_dev *pdev) { struct mlx5_core_dev *dev = pci_get_drvdata(pdev); @@ -1356,9 +1347,6 @@ static void mlx5_pci_resume(struct pci_dev *pdev) dev_info(&pdev->dev, "%s was called\n", __func__); - pci_save_state(pdev); - wait_vital(pdev); - err = mlx5_load_one(dev, priv); if (err) dev_err(&pdev->dev, "%s: mlx5_load_one failed with error code: %d\n" diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index 4d3377b12657..9a6bd830d104 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -243,6 +243,7 @@ static void free_4k(struct mlx5_core_dev *dev, u64 addr) static int alloc_system_page(struct mlx5_core_dev *dev, u16 func_id) { struct page *page; + u64 zero_addr = 1; u64 addr; int err; int nid = dev_to_node(&dev->pdev->dev); @@ -252,26 +253,35 @@ static int alloc_system_page(struct mlx5_core_dev *dev, u16 func_id) mlx5_core_warn(dev, "failed to allocate page\n"); return -ENOMEM; } +map: addr = dma_map_page(&dev->pdev->dev, page, 0, PAGE_SIZE, DMA_BIDIRECTIONAL); if (dma_mapping_error(&dev->pdev->dev, addr)) { mlx5_core_warn(dev, "failed dma mapping page\n"); err = -ENOMEM; - goto out_alloc; + goto err_mapping; } + + /* Firmware doesn't support page with physical address 0 */ + if (addr == 0) { + zero_addr = addr; + goto map; + } + err = insert_page(dev, addr, page, func_id); if (err) { mlx5_core_err(dev, "failed to track allocated page\n"); - goto out_mapping; + dma_unmap_page(&dev->pdev->dev, addr, PAGE_SIZE, + DMA_BIDIRECTIONAL); } - return 0; - -out_mapping: - dma_unmap_page(&dev->pdev->dev, addr, PAGE_SIZE, DMA_BIDIRECTIONAL); +err_mapping: + if (err) + __free_page(page); -out_alloc: - __free_page(page); + if (zero_addr == 0) + dma_unmap_page(&dev->pdev->dev, zero_addr, PAGE_SIZE, + DMA_BIDIRECTIONAL); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index 30e2ba3f5f16..a4f8c1b99f71 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -393,7 +393,7 @@ int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn) if (out.hdr.status) err = mlx5_cmd_status_to_err(&out.hdr); else - *xrcdn = be32_to_cpu(out.xrcdn); + *xrcdn = be32_to_cpu(out.xrcdn) & 0xffffff; return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c index ce21ee5b2357..821a087c7ae2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c @@ -75,14 +75,14 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_db_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } err = mlx5_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq), &wq_ctrl->buf, param->buf_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_buf_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); goto err_db_free; } @@ -111,14 +111,14 @@ int mlx5_cqwq_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_db_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } err = mlx5_buf_alloc_node(mdev, mlx5_cqwq_get_byte_size(wq), &wq_ctrl->buf, param->buf_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_buf_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); goto err_db_free; } @@ -148,13 +148,14 @@ int mlx5_wq_ll_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_db_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err); return err; } - err = mlx5_buf_alloc(mdev, mlx5_wq_ll_get_byte_size(wq), &wq_ctrl->buf); + err = mlx5_buf_alloc_node(mdev, mlx5_wq_ll_get_byte_size(wq), + &wq_ctrl->buf, param->buf_numa_node); if (err) { - mlx5_core_warn(mdev, "mlx5_buf_alloc() failed, %d\n", err); + mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err); goto err_db_free; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 97f0d93caf99..085aaad90293 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1208,9 +1208,10 @@ void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, break; } } - rcu_read_unlock(); - if (!found) + if (!found) { + rcu_read_unlock(); goto drop; + } pcpu_stats = this_cpu_ptr(mlxsw_core->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); @@ -1221,6 +1222,7 @@ void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, u64_stats_update_end(&pcpu_stats->syncp); rxl->func(skb, local_port, rxl_item->priv); + rcu_read_unlock(); return; drop: diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index de69e719dc9d..75a590d1ae40 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -215,7 +215,7 @@ mlxsw_pci_queue_elem_info_producer_get(struct mlxsw_pci_queue *q) { int index = q->producer_counter & (q->count - 1); - if ((q->producer_counter - q->consumer_counter) == q->count) + if ((u16) (q->producer_counter - q->consumer_counter) == q->count) return NULL; return mlxsw_pci_queue_elem_info_get(q, index); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/port.h b/drivers/net/ethernet/mellanox/mlxsw/port.h index 726f5435b32f..ae65b9940aed 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/port.h +++ b/drivers/net/ethernet/mellanox/mlxsw/port.h @@ -49,7 +49,7 @@ #define MLXSW_PORT_MID 0xd000 #define MLXSW_PORT_MAX_PHY_PORTS 0x40 -#define MLXSW_PORT_MAX_PORTS MLXSW_PORT_MAX_PHY_PORTS +#define MLXSW_PORT_MAX_PORTS (MLXSW_PORT_MAX_PHY_PORTS + 1) #define MLXSW_PORT_DEVID_BITS_OFFSET 10 #define MLXSW_PORT_PHY_BITS_OFFSET 4 diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index cb165c2d4803..b23f508de811 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -399,7 +399,11 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, } mlxsw_sp_txhdr_construct(skb, &tx_info); - len = skb->len; + /* TX header is consumed by HW on the way so we shouldn't count its + * bytes as being sent. + */ + len = skb->len - MLXSW_TXHDR_LEN; + /* Due to a race we might fail here because of a full queue. In that * unlikely case we simply drop the packet. */ @@ -1100,7 +1104,8 @@ static int mlxsw_sp_port_get_settings(struct net_device *dev, cmd->supported = mlxsw_sp_from_ptys_supported_port(eth_proto_cap) | mlxsw_sp_from_ptys_supported_link(eth_proto_cap) | - SUPPORTED_Pause | SUPPORTED_Asym_Pause; + SUPPORTED_Pause | SUPPORTED_Asym_Pause | + SUPPORTED_Autoneg; cmd->advertising = mlxsw_sp_from_ptys_advert_link(eth_proto_admin); mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), eth_proto_oper, cmd); @@ -1256,7 +1261,7 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port) /* Each packet needs to have a Tx header (metadata) on top all other * headers. */ - dev->hard_header_len += MLXSW_TXHDR_LEN; + dev->needed_headroom = MLXSW_TXHDR_LEN; err = mlxsw_sp_port_module_check(mlxsw_sp_port, &usable); if (err) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index d4c4c2b5156c..a1df4227ed9d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -87,14 +87,14 @@ static int mlxsw_sp_port_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, int err; switch (state) { - case BR_STATE_DISABLED: /* fall-through */ case BR_STATE_FORWARDING: spms_state = MLXSW_REG_SPMS_STATE_FORWARDING; break; - case BR_STATE_LISTENING: /* fall-through */ case BR_STATE_LEARNING: spms_state = MLXSW_REG_SPMS_STATE_LEARNING; break; + case BR_STATE_LISTENING: /* fall-through */ + case BR_STATE_DISABLED: /* fall-through */ case BR_STATE_BLOCKING: spms_state = MLXSW_REG_SPMS_STATE_DISCARDING; break; diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c index fb2d9a82ce3d..4d7b3edf6662 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c +++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c @@ -993,7 +993,7 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port) /* Each packet needs to have a Tx header (metadata) on top all other * headers. */ - dev->hard_header_len += MLXSW_TXHDR_LEN; + dev->needed_headroom = MLXSW_TXHDR_LEN; err = mlxsw_sx_port_module_check(mlxsw_sx_port, &usable); if (err) { @@ -1074,6 +1074,7 @@ err_port_stp_state_set: err_port_admin_status_set: err_port_mtu_set: err_port_speed_set: + mlxsw_sx_port_swid_set(mlxsw_sx_port, MLXSW_PORT_SWID_DISABLED_PORT); err_port_swid_set: err_port_system_port_mapping_set: port_not_usable: diff --git a/drivers/net/ethernet/micrel/ks8842.c b/drivers/net/ethernet/micrel/ks8842.c index 09d2e16fd6b0..cb0102dd7f70 100644 --- a/drivers/net/ethernet/micrel/ks8842.c +++ b/drivers/net/ethernet/micrel/ks8842.c @@ -561,8 +561,8 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev) sg_init_table(sg, 1); sg_dma_address(sg) = dma_map_single(adapter->dev, ctl->skb->data, DMA_BUFFER_SIZE, DMA_FROM_DEVICE); - err = dma_mapping_error(adapter->dev, sg_dma_address(sg)); - if (unlikely(err)) { + if (dma_mapping_error(adapter->dev, sg_dma_address(sg))) { + err = -ENOMEM; sg_dma_address(sg) = 0; goto out; } @@ -572,8 +572,10 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev) ctl->adesc = dmaengine_prep_slave_sg(ctl->chan, sg, 1, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT); - if (!ctl->adesc) + if (!ctl->adesc) { + err = -ENOMEM; goto out; + } ctl->adesc->callback_param = netdev; ctl->adesc->callback = ks8842_dma_rx_cb; @@ -584,7 +586,7 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev) goto out; } - return err; + return 0; out: if (sg_dma_address(sg)) dma_unmap_single(adapter->dev, sg_dma_address(sg), diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index a10c928bbd6b..374e691b11da 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -460,9 +460,9 @@ static int moxart_mac_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ndev->base_addr = res->start; priv->base = devm_ioremap_resource(p_dev, res); - ret = IS_ERR(priv->base); - if (ret) { + if (IS_ERR(priv->base)) { dev_err(p_dev, "devm_ioremap_resource failed\n"); + ret = PTR_ERR(priv->base); goto init_fail; } @@ -541,7 +541,7 @@ static int moxart_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); unregister_netdev(ndev); - free_irq(ndev->irq, ndev); + devm_free_irq(&pdev->dev, ndev->irq, ndev); moxart_mac_free_memory(ndev); free_netdev(ndev); diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c index acf3f11e38cc..68d2f31921ff 100644 --- a/drivers/net/ethernet/natsemi/jazzsonic.c +++ b/drivers/net/ethernet/natsemi/jazzsonic.c @@ -247,13 +247,15 @@ static int jazz_sonic_probe(struct platform_device *pdev) goto out; err = register_netdev(dev); if (err) - goto out1; + goto undo_probe1; printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); return 0; -out1: +undo_probe1: + dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); release_mem_region(dev->base_addr, SONIC_MEM_SIZE); out: free_netdev(dev); diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index ba14bad81a21..14b5a0dbf40b 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -865,7 +865,8 @@ static int lpc_mii_init(struct netdata_local *pldat) if (mdiobus_register(pldat->mii_bus)) goto err_out_free_mdio_irq; - if (lpc_mii_probe(pldat->ndev) != 0) + err = lpc_mii_probe(pldat->ndev); + if (err) goto err_out_unregister_bus; return 0; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 8b63c9d183a2..c677b69bbb0b 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -400,7 +400,7 @@ netdev_tx_t qede_start_xmit(struct sk_buff *skb, u8 xmit_type; u16 idx; u16 hlen; - bool data_split; + bool data_split = false; /* Get tx-queue context and netdev index */ txq_index = skb_get_queue_mapping(skb); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 7f7aea9758e7..75ac5cc2fc23 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -3609,7 +3609,7 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev) ahw->diag_cnt = 0; ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); if (ret) - goto fail_diag_irq; + goto fail_mbx_args; if (adapter->flags & QLCNIC_MSIX_ENABLED) intrpt_id = ahw->intr_tbl[0].id; @@ -3639,6 +3639,8 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev) done: qlcnic_free_mbx_args(&cmd); + +fail_mbx_args: qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); fail_diag_irq: diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index 98042a3701b5..621eac53ab01 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -2220,7 +2220,7 @@ void qlcnic_83xx_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring) if (!opcode) return; - ring = QLCNIC_FETCH_RING_ID(qlcnic_83xx_hndl(sts_data[0])); + ring = QLCNIC_FETCH_RING_ID(sts_data[0]); qlcnic_83xx_process_rcv_diag(adapter, ring, sts_data); desc = &sds_ring->desc_head[consumer]; desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c index e5ea8e972b91..5174e0bd75d1 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -1419,6 +1419,7 @@ void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter) struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; struct pci_dev *pdev = adapter->pdev; bool extended = false; + int ret; prev_version = adapter->fw_version; current_version = qlcnic_83xx_get_fw_version(adapter); @@ -1429,8 +1430,11 @@ void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter) if (qlcnic_83xx_md_check_extended_dump_capability(adapter)) extended = !qlcnic_83xx_extend_md_capab(adapter); - if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) - dev_info(&pdev->dev, "Supports FW dump capability\n"); + ret = qlcnic_fw_cmd_get_minidump_temp(adapter); + if (ret) + return; + + dev_info(&pdev->dev, "Supports FW dump capability\n"); /* Once we have minidump template with extended iSCSI dump * capability, update the minidump capture mask to 0x1f as diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index fedfd94699cb..d5bf0f275307 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1214,12 +1214,64 @@ static const struct ethtool_ops ravb_ethtool_ops = { .get_ts_info = ravb_get_ts_info, }; +/* MDIO bus init function */ +static int ravb_mdio_init(struct ravb_private *priv) +{ + struct platform_device *pdev = priv->pdev; + struct device *dev = &pdev->dev; + int error; + + /* Bitbang init */ + priv->mdiobb.ops = &bb_ops; + + /* MII controller setting */ + priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); + if (!priv->mii_bus) + return -ENOMEM; + + /* Hook up MII support for ethtool */ + priv->mii_bus->name = "ravb_mii"; + priv->mii_bus->parent = dev; + snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", + pdev->name, pdev->id); + + /* Register MDIO bus */ + error = of_mdiobus_register(priv->mii_bus, dev->of_node); + if (error) + goto out_free_bus; + + return 0; + +out_free_bus: + free_mdio_bitbang(priv->mii_bus); + return error; +} + +/* MDIO bus release function */ +static int ravb_mdio_release(struct ravb_private *priv) +{ + /* Unregister mdio bus */ + mdiobus_unregister(priv->mii_bus); + + /* Free bitbang info */ + free_mdio_bitbang(priv->mii_bus); + + return 0; +} + /* Network device open function for Ethernet AVB */ static int ravb_open(struct net_device *ndev) { struct ravb_private *priv = netdev_priv(ndev); int error; + /* MDIO bus init */ + error = ravb_mdio_init(priv); + if (error) { + netdev_err(ndev, "failed to initialize MDIO\n"); + return error; + } + napi_enable(&priv->napi[RAVB_BE]); napi_enable(&priv->napi[RAVB_NC]); @@ -1268,6 +1320,7 @@ out_free_irq: out_napi_off: napi_disable(&priv->napi[RAVB_NC]); napi_disable(&priv->napi[RAVB_BE]); + ravb_mdio_release(priv); return error; } @@ -1291,6 +1344,7 @@ static void ravb_tx_timeout_work(struct work_struct *work) struct ravb_private *priv = container_of(work, struct ravb_private, work); struct net_device *ndev = priv->ndev; + int error; netif_tx_stop_all_queues(ndev); @@ -1298,15 +1352,36 @@ static void ravb_tx_timeout_work(struct work_struct *work) ravb_ptp_stop(ndev); /* Wait for DMA stopping */ - ravb_stop_dma(ndev); + if (ravb_stop_dma(ndev)) { + /* If ravb_stop_dma() fails, the hardware is still operating + * for TX and/or RX. So, this should not call the following + * functions because ravb_dmac_init() is possible to fail too. + * Also, this should not retry ravb_stop_dma() again and again + * here because it's possible to wait forever. So, this just + * re-enables the TX and RX and skip the following + * re-initialization procedure. + */ + ravb_rcv_snd_enable(ndev); + goto out; + } ravb_ring_free(ndev, RAVB_BE); ravb_ring_free(ndev, RAVB_NC); /* Device init */ - ravb_dmac_init(ndev); + error = ravb_dmac_init(ndev); + if (error) { + /* If ravb_dmac_init() fails, descriptors are freed. So, this + * should return here to avoid re-enabling the TX and RX in + * ravb_emac_init(). + */ + netdev_err(ndev, "%s: ravb_dmac_init() failed, error %d\n", + __func__, error); + return; + } ravb_emac_init(ndev); +out: /* Initialise PTP Clock driver */ ravb_ptp_init(ndev, priv->pdev); @@ -1528,6 +1603,8 @@ static int ravb_close(struct net_device *ndev) priv->phydev = NULL; } + if (priv->chip_id == RCAR_GEN3) + free_irq(priv->emac_irq, ndev); free_irq(ndev->irq, ndev); napi_disable(&priv->napi[RAVB_NC]); @@ -1537,6 +1614,8 @@ static int ravb_close(struct net_device *ndev) ravb_ring_free(ndev, RAVB_BE); ravb_ring_free(ndev, RAVB_NC); + ravb_mdio_release(priv); + return 0; } @@ -1640,51 +1719,6 @@ static const struct net_device_ops ravb_netdev_ops = { .ndo_change_mtu = eth_change_mtu, }; -/* MDIO bus init function */ -static int ravb_mdio_init(struct ravb_private *priv) -{ - struct platform_device *pdev = priv->pdev; - struct device *dev = &pdev->dev; - int error; - - /* Bitbang init */ - priv->mdiobb.ops = &bb_ops; - - /* MII controller setting */ - priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); - if (!priv->mii_bus) - return -ENOMEM; - - /* Hook up MII support for ethtool */ - priv->mii_bus->name = "ravb_mii"; - priv->mii_bus->parent = dev; - snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - pdev->name, pdev->id); - - /* Register MDIO bus */ - error = of_mdiobus_register(priv->mii_bus, dev->of_node); - if (error) - goto out_free_bus; - - return 0; - -out_free_bus: - free_mdio_bitbang(priv->mii_bus); - return error; -} - -/* MDIO bus release function */ -static int ravb_mdio_release(struct ravb_private *priv) -{ - /* Unregister mdio bus */ - mdiobus_unregister(priv->mii_bus); - - /* Free bitbang info */ - free_mdio_bitbang(priv->mii_bus); - - return 0; -} - static const struct of_device_id ravb_match_table[] = { { .compatible = "renesas,etheravb-r8a7790", .data = (void *)RCAR_GEN2 }, { .compatible = "renesas,etheravb-r8a7794", .data = (void *)RCAR_GEN2 }, @@ -1823,13 +1857,6 @@ static int ravb_probe(struct platform_device *pdev) eth_hw_addr_random(ndev); } - /* MDIO bus init */ - error = ravb_mdio_init(priv); - if (error) { - dev_err(&pdev->dev, "failed to initialize MDIO\n"); - goto out_dma_free; - } - netif_napi_add(ndev, &priv->napi[RAVB_BE], ravb_poll, 64); netif_napi_add(ndev, &priv->napi[RAVB_NC], ravb_poll, 64); @@ -1849,8 +1876,6 @@ static int ravb_probe(struct platform_device *pdev) out_napi_del: netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); - ravb_mdio_release(priv); -out_dma_free: dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, priv->desc_bat_dma); out_release: @@ -1875,7 +1900,6 @@ static int ravb_remove(struct platform_device *pdev) unregister_netdev(ndev); netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); - ravb_mdio_release(priv); pm_runtime_disable(&pdev->dev); free_netdev(ndev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 6dcd436e6e32..e289cb47e6ab 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1304,13 +1304,14 @@ static void efx_ef10_get_stat_mask(struct efx_nic *efx, unsigned long *mask) } #if BITS_PER_LONG == 64 + BUILD_BUG_ON(BITS_TO_LONGS(EF10_STAT_COUNT) != 2); mask[0] = raw_mask[0]; mask[1] = raw_mask[1]; #else + BUILD_BUG_ON(BITS_TO_LONGS(EF10_STAT_COUNT) != 3); mask[0] = raw_mask[0] & 0xffffffff; mask[1] = raw_mask[0] >> 32; mask[2] = raw_mask[1] & 0xffffffff; - mask[3] = raw_mask[1] >> 32; #endif } diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index a3c42a376741..167ccb27e2f1 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -479,6 +479,9 @@ efx_copy_channel(const struct efx_channel *old_channel) *channel = *old_channel; channel->napi_dev = NULL; + INIT_HLIST_NODE(&channel->napi_str.napi_hash_node); + channel->napi_str.napi_id = 0; + channel->napi_str.state = 0; memset(&channel->eventq, 0, sizeof(channel->eventq)); for (j = 0; j < EFX_TXQ_TYPES; j++) { diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 7405f537beca..8531a7201968 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2289,7 +2289,7 @@ static int smc_drv_probe(struct platform_device *pdev) ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio, "power", 0, 0, 100); if (ret) - return ret; + goto out_free_netdev; /* * Optional reset GPIO configured? Minimum 100 ns reset needed @@ -2298,7 +2298,7 @@ static int smc_drv_probe(struct platform_device *pdev) ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio, "reset", 0, 0, 100); if (ret) - return ret; + goto out_free_netdev; /* * Need to wait for optional EEPROM to load, max 750 us according diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c index b1e5f24708c9..05e46a82cdb1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c @@ -53,7 +53,17 @@ static int dwmac_generic_probe(struct platform_device *pdev) return ret; } - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (ret) + goto err_exit; + + return 0; + +err_exit: + if (plat_dat->exit) + plat_dat->exit(pdev, plat_dat->bsp_priv); + + return ret; } static const struct of_device_id dwmac_generic_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c index 1fc356c17750..ee5a7c05a0e6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c @@ -328,6 +328,19 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) /* Enable PTP clock */ regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val); val |= NSS_COMMON_CLK_GATE_PTP_EN(gmac->id); + switch (gmac->phy_mode) { + case PHY_INTERFACE_MODE_RGMII: + val |= NSS_COMMON_CLK_GATE_RGMII_RX_EN(gmac->id) | + NSS_COMMON_CLK_GATE_RGMII_TX_EN(gmac->id); + break; + case PHY_INTERFACE_MODE_SGMII: + val |= NSS_COMMON_CLK_GATE_GMII_RX_EN(gmac->id) | + NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id); + break; + default: + /* We don't get here; the switch above will have errored out */ + unreachable(); + } regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val); if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) { @@ -347,6 +360,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) plat_dat->has_gmac = true; plat_dat->bsp_priv = gmac; plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed; + plat_dat->multicast_filter_bins = 0; return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 68a58333bd74..f2f24f99d086 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -600,7 +600,16 @@ static int rk_gmac_probe(struct platform_device *pdev) if (ret) return ret; - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (ret) + goto err_gmac_exit; + + return 0; + +err_gmac_exit: + rk_gmac_exit(pdev, plat_dat->bsp_priv); + + return ret; } static const struct of_device_id rk_gmac_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c index 58c05acc2aab..a1ce018bf844 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c @@ -365,7 +365,16 @@ static int sti_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (ret) + goto err_dwmac_exit; + + return 0; + +err_dwmac_exit: + sti_dwmac_exit(pdev, plat_dat->bsp_priv); + + return ret; } static const struct sti_dwmac_of_data stih4xx_dwmac_data = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b535f6c37838..ac08031c481f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -146,6 +146,9 @@ static void dwmac1000_set_filter(struct mac_device_info *hw, value = GMAC_FRAME_FILTER_PR; } else if (dev->flags & IFF_ALLMULTI) { value = GMAC_FRAME_FILTER_PM; /* pass all multi */ + } else if (!netdev_mc_empty(dev) && (mcbitslog2 == 0)) { + /* Fall back to all multicast if we've no filter */ + value = GMAC_FRAME_FILTER_PM; } else if (!netdev_mc_empty(dev)) { struct netdev_hw_addr *ha; diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 062bce9acde6..bfe7b55f9714 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -4980,7 +4980,7 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) cas_cacheline_size)) { dev_err(&pdev->dev, "Could not set PCI cache " "line size\n"); - goto err_write_cacheline; + goto err_out_free_res; } } #endif @@ -5151,7 +5151,6 @@ err_out_iounmap: err_out_free_res: pci_release_regions(pdev); -err_write_cacheline: /* Try to restore it in case the error occurred after we * set it. */ diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c index e9cc61e1ec74..7b0dfdced517 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -154,9 +154,12 @@ void cpsw_phy_sel(struct device *dev, phy_interface_t phy_mode, int slave) } dev = bus_find_device(&platform_bus_type, NULL, node, match); + of_node_put(node); priv = dev_get_drvdata(dev); priv->cpsw_phy_sel(priv, phy_mode, slave); + + put_device(dev); } EXPORT_SYMBOL_GPL(cpsw_phy_sel); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 9a9cb6b11e4c..6ee0bd72d89b 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2060,7 +2060,11 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, slave_data->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); - if (of_phy_is_fixed_link(slave_node)) { + if (slave_data->phy_node) { + dev_dbg(&pdev->dev, + "slave[%d] using phy-handle=\"%s\"\n", + i, slave_data->phy_node->full_name); + } else if (of_phy_is_fixed_link(slave_node)) { struct device_node *phy_node; struct phy_device *phy_dev; @@ -2097,7 +2101,9 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, PHY_ID_FMT, mdio->name, phyid); put_device(&mdio->dev); } else { - dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); + dev_err(&pdev->dev, + "No slave[%d] phy_id, phy-handle, or fixed-link property\n", + i); goto no_phy_slave; } slave_data->phy_if = of_get_phy_mode(slave_node); @@ -2526,12 +2532,14 @@ static int cpsw_probe(struct platform_device *pdev) ret = cpsw_probe_dual_emac(pdev, priv); if (ret) { cpsw_err(priv, probe, "error probe slave 2 emac interface\n"); - goto clean_ale_ret; + goto clean_unregister_netdev_ret; } } return 0; +clean_unregister_netdev_ret: + unregister_netdev(ndev); clean_ale_ret: cpsw_ale_destroy(priv->ale); clean_dma_ret: diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 8ecb24186b7f..e4c4747bdf32 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1512,7 +1512,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd) /* TODO: Add phy read and write and private statistics get feature */ - return phy_mii_ioctl(priv->phydev, ifrq, cmd); + if (priv->phydev) + return phy_mii_ioctl(priv->phydev, ifrq, cmd); + else + return -EOPNOTSUPP; } static int match_first_device(struct device *dev, void *data) @@ -1885,8 +1888,6 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) pdata->hw_ram_addr = auxdata->hw_ram_addr; } - pdev->dev.platform_data = pdata; - return pdata; } diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index 8e53211aedd8..53600e28d93b 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -297,8 +297,8 @@ spider_net_free_chain(struct spider_net_card *card, descr = descr->next; } while (descr != chain->ring); - dma_free_coherent(&card->pdev->dev, chain->num_desc, - chain->hwring, chain->dma_addr); + dma_free_coherent(&card->pdev->dev, chain->num_desc * sizeof(struct spider_net_hw_descr), + chain->hwring, chain->dma_addr); } /** diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 7f1a57bb2ab1..44870fc37f54 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1602,9 +1602,9 @@ static int axienet_probe(struct platform_device *pdev) /* Find the DMA node, map the DMA registers, and decode the DMA IRQs */ np = of_parse_phandle(pdev->dev.of_node, "axistream-connected", 0); - if (IS_ERR(np)) { + if (!np) { dev_err(&pdev->dev, "could not find DMA node\n"); - ret = PTR_ERR(np); + ret = -ENODEV; goto free_netdev; } ret = of_address_to_resource(np, 0, &dmares); diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index f0961cbaf87e..ec13e2ae6d16 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -781,7 +781,9 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, fl6->daddr = geneve->remote.sin6.sin6_addr; } - if (ipv6_stub->ipv6_dst_lookup(geneve->net, gs6->sock->sk, &dst, fl6)) { + dst = ipv6_stub->ipv6_dst_lookup_flow(geneve->net, gs6->sock->sk, fl6, + NULL); + if (IS_ERR(dst)) { netdev_dbg(dev, "no route to %pI6\n", &fl6->daddr); return ERR_PTR(-ENETUNREACH); } @@ -1340,6 +1342,7 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, { struct nlattr *tb[IFLA_MAX + 1]; struct net_device *dev; + LIST_HEAD(list_kill); int err; memset(tb, 0, sizeof(tb)); @@ -1350,8 +1353,10 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, err = geneve_configure(net, dev, &geneve_remote_unspec, 0, 0, 0, htons(dst_port), true); - if (err) - goto err; + if (err) { + free_netdev(dev); + return ERR_PTR(err); + } /* openvswitch users expect packet sizes to be unrestricted, * so set the largest MTU we can. @@ -1360,10 +1365,15 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, if (err) goto err; + err = rtnl_configure_link(dev, NULL); + if (err < 0) + goto err; + return dev; err: - free_netdev(dev); + geneve_dellink(dev, &list_kill); + unregister_netdevice_many(&list_kill); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(geneve_dev_create_fb); diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 1a4729c36aa4..623e4225e7c8 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1160,6 +1160,7 @@ static int __init yam_init_driver(void) err = register_netdev(dev); if (err) { printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name); + free_netdev(dev); goto error; } yam_devs[i] = dev; diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c index 313e006f74fe..6f3519123eb6 100644 --- a/drivers/net/hippi/rrunner.c +++ b/drivers/net/hippi/rrunner.c @@ -1250,7 +1250,7 @@ static int rr_open(struct net_device *dev) rrpriv->info = NULL; } if (rrpriv->rx_ctrl) { - pci_free_consistent(pdev, sizeof(struct ring_ctrl), + pci_free_consistent(pdev, 256 * sizeof(struct ring_ctrl), rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma); rrpriv->rx_ctrl = NULL; } diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index b4d5f53c97d3..b7a122a1b89a 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -87,12 +87,21 @@ static void ipvlan_port_destroy(struct net_device *dev) static struct lock_class_key ipvlan_netdev_xmit_lock_key; static struct lock_class_key ipvlan_netdev_addr_lock_key; +#define IPVLAN_ALWAYS_ON_OFLOADS \ + (NETIF_F_SG | NETIF_F_HW_CSUM | \ + NETIF_F_GSO_ROBUST | NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL) + +#define IPVLAN_ALWAYS_ON \ + (IPVLAN_ALWAYS_ON_OFLOADS | NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED) + #define IPVLAN_FEATURES \ (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \ NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \ NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER) + /* NETIF_F_GSO_ENCAP_ALL NETIF_F_GSO_SOFTWARE Newly added */ + #define IPVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) @@ -117,7 +126,9 @@ static int ipvlan_init(struct net_device *dev) dev->state = (dev->state & ~IPVLAN_STATE_MASK) | (phy_dev->state & IPVLAN_STATE_MASK); dev->features = phy_dev->features & IPVLAN_FEATURES; - dev->features |= NETIF_F_LLTX; + dev->features |= IPVLAN_ALWAYS_ON; + dev->vlan_features = phy_dev->vlan_features & IPVLAN_FEATURES; + dev->vlan_features |= IPVLAN_ALWAYS_ON_OFLOADS; dev->gso_max_size = phy_dev->gso_max_size; dev->hard_header_len = phy_dev->hard_header_len; @@ -201,7 +212,14 @@ static netdev_features_t ipvlan_fix_features(struct net_device *dev, { struct ipvl_dev *ipvlan = netdev_priv(dev); - return features & (ipvlan->sfeatures | ~IPVLAN_FEATURES); + features |= NETIF_F_ALL_FOR_ALL; + features &= (ipvlan->sfeatures | ~IPVLAN_FEATURES); + features = netdev_increment_features(ipvlan->phy_dev->features, + features, features); + features |= IPVLAN_ALWAYS_ON; + features &= (IPVLAN_FEATURES | IPVLAN_ALWAYS_ON); + + return features; } static void ipvlan_change_rx_flags(struct net_device *dev, int change) @@ -590,9 +608,8 @@ static int ipvlan_device_event(struct notifier_block *unused, case NETDEV_FEAT_CHANGE: list_for_each_entry(ipvlan, &port->ipvlans, pnode) { - ipvlan->dev->features = dev->features & IPVLAN_FEATURES; ipvlan->dev->gso_max_size = dev->gso_max_size; - netdev_features_change(ipvlan->dev); + netdev_update_features(ipvlan->dev); } break; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 84767722065a..73061bee35cd 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -305,6 +305,8 @@ static void macvlan_process_broadcast(struct work_struct *w) rcu_read_unlock(); + if (src) + dev_put(src->dev); kfree_skb(skb); cond_resched(); @@ -312,6 +314,7 @@ static void macvlan_process_broadcast(struct work_struct *w) } static void macvlan_broadcast_enqueue(struct macvlan_port *port, + const struct macvlan_dev *src, struct sk_buff *skb) { struct sk_buff *nskb; @@ -321,8 +324,12 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port, if (!nskb) goto err; + MACVLAN_SKB_CB(nskb)->src = src; + spin_lock(&port->bc_queue.lock); if (skb_queue_len(&port->bc_queue) < MACVLAN_BC_QUEUE_LEN) { + if (src) + dev_hold(src->dev); __skb_queue_tail(&port->bc_queue, nskb); err = 0; } @@ -413,6 +420,10 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) int ret; rx_handler_result_t handle_res; + /* Packets from dev_loopback_xmit() do not have L2 header, bail out */ + if (unlikely(skb->pkt_type == PACKET_LOOPBACK)) + return RX_HANDLER_PASS; + port = macvlan_port_get_rcu(skb->dev); if (is_multicast_ether_addr(eth->h_dest)) { skb = ip_check_defrag(dev_net(skb->dev), skb, IP_DEFRAG_MACVLAN); @@ -432,8 +443,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) goto out; } - MACVLAN_SKB_CB(skb)->src = src; - macvlan_broadcast_enqueue(port, skb); + macvlan_broadcast_enqueue(port, src, skb); return RX_HANDLER_PASS; } @@ -1561,7 +1571,7 @@ static int macvlan_device_event(struct notifier_block *unused, struct macvlan_dev, list); - if (macvlan_sync_address(vlan->dev, dev->dev_addr)) + if (vlan && macvlan_sync_address(vlan->dev, dev->dev_addr)) return NOTIFY_BAD; break; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index ed96fdefd8e5..3a76ca395103 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -373,7 +373,7 @@ static rx_handler_result_t macvtap_handle_frame(struct sk_buff **pskb) goto wake_up; } - kfree_skb(skb); + consume_skb(skb); while (segs) { struct sk_buff *nskb = segs->next; diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index 37333d38b576..f88e7cc813ef 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -198,7 +198,7 @@ static int at803x_probe(struct phy_device *phydev) if (!priv) return -ENOMEM; - gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(gpiod_reset)) return PTR_ERR(gpiod_reset); @@ -274,10 +274,10 @@ static void at803x_link_change_notify(struct phy_device *phydev) at803x_context_save(phydev, &context); - gpiod_set_value(priv->gpiod_reset, 0); - msleep(1); gpiod_set_value(priv->gpiod_reset, 1); msleep(1); + gpiod_set_value(priv->gpiod_reset, 0); + msleep(1); at803x_context_restore(phydev, &context); diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index bffa70e46202..b7bc27a89454 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -270,7 +270,7 @@ static int bcm7xxx_config_init(struct phy_device *phydev) phy_write(phydev, MII_BCM7XXX_100TX_FALSE_CAR, 0x7555); /* reset shadow mode 2 */ - ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, MII_BCM7XXX_SHD_MODE_2, 0); + ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, MII_BCM7XXX_SHD_MODE_2); if (ret < 0) return ret; diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index e6f564d50663..0da80adc545a 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -1107,7 +1107,7 @@ static struct dp83640_clock *dp83640_clock_get_bus(struct mii_bus *bus) goto out; } dp83640_clock_init(clock, bus); - list_add_tail(&phyter_clocks, &clock->list); + list_add_tail(&clock->list, &phyter_clocks); out: mutex_unlock(&phyter_clocks_lock); @@ -1335,6 +1335,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) dp83640->hwts_rx_en = 1; dp83640->layer = PTP_CLASS_L4; dp83640->version = PTP_CLASS_V1; + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; break; case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: @@ -1342,6 +1343,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) dp83640->hwts_rx_en = 1; dp83640->layer = PTP_CLASS_L4; dp83640->version = PTP_CLASS_V2; + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT; break; case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: @@ -1349,6 +1351,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) dp83640->hwts_rx_en = 1; dp83640->layer = PTP_CLASS_L2; dp83640->version = PTP_CLASS_V2; + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; break; case HWTSTAMP_FILTER_PTP_V2_EVENT: case HWTSTAMP_FILTER_PTP_V2_SYNC: @@ -1356,6 +1359,7 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) dp83640->hwts_rx_en = 1; dp83640->layer = PTP_CLASS_L4 | PTP_CLASS_L2; dp83640->version = PTP_CLASS_V2; + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; break; default: return -ERANGE; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index ebec2dceff45..f62781ed6b58 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1091,7 +1091,7 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .config_init = &m88e1145_config_init, - .config_aneg = &marvell_config_aneg, + .config_aneg = &m88e1101_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, diff --git a/drivers/net/phy/mdio-bcm-unimac.c b/drivers/net/phy/mdio-bcm-unimac.c index 4bde5e728fe0..fd8692b477c9 100644 --- a/drivers/net/phy/mdio-bcm-unimac.c +++ b/drivers/net/phy/mdio-bcm-unimac.c @@ -177,6 +177,8 @@ static int unimac_mdio_probe(struct platform_device *pdev) return -ENOMEM; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) + return -EINVAL; /* Just ioremap, as this MDIO block is usually integrated into an * Ethernet MAC controller register range diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index afd76e07088b..0e8dd446e8c1 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -134,6 +134,7 @@ static int sun4i_mdio_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "no regulator found\n"); + data->regulator = NULL; } else { ret = regulator_enable(data->regulator); if (ret) @@ -149,7 +150,8 @@ static int sun4i_mdio_probe(struct platform_device *pdev) return 0; err_out_disable_regulator: - regulator_disable(data->regulator); + if (data->regulator) + regulator_disable(data->regulator); err_out_free_mdiobus: mdiobus_free(bus); return ret; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index ffae517e5e7a..f6deb6061715 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -482,9 +482,17 @@ static int ksz9031_config_init(struct phy_device *phydev) "txd2-skew-ps", "txd3-skew-ps" }; static const char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"}; + const struct device *dev_walker; - if (!of_node && dev->parent->of_node) - of_node = dev->parent->of_node; + /* The Micrel driver has a deprecated option to place phy OF + * properties in the MAC node. Walk up the tree of devices to + * find a device with an OF node. + */ + dev_walker = &phydev->dev; + do { + of_node = dev_walker->of_node; + dev_walker = dev_walker->parent; + } while (!of_node && dev_walker); if (of_node) { ksz9031_of_load_skew_values(phydev, of_node, @@ -584,6 +592,21 @@ ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum, { } +static int kszphy_resume(struct phy_device *phydev) +{ + int value; + + mutex_lock(&phydev->lock); + + value = phy_read(phydev, MII_BMCR); + phy_write(phydev, MII_BMCR, value & ~BMCR_PDOWN); + + kszphy_config_intr(phydev); + mutex_unlock(&phydev->lock); + + return 0; +} + static int kszphy_probe(struct phy_device *phydev) { const struct kszphy_type *type = phydev->drv->driver_data; @@ -773,7 +796,7 @@ static struct phy_driver ksphy_driver[] = { .ack_interrupt = kszphy_ack_interrupt, .config_intr = kszphy_config_intr, .suspend = genphy_suspend, - .resume = genphy_resume, + .resume = kszphy_resume, .driver = { .owner = THIS_MODULE,}, }, { .phy_id = PHY_ID_KSZ8061, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 7d2cf015c5e7..8d09d21f4cbf 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -699,25 +699,29 @@ void phy_change(struct work_struct *work) struct phy_device *phydev = container_of(work, struct phy_device, phy_queue); - if (phydev->drv->did_interrupt && - !phydev->drv->did_interrupt(phydev)) - goto ignore; + if (phy_interrupt_is_valid(phydev)) { + if (phydev->drv->did_interrupt && + !phydev->drv->did_interrupt(phydev)) + goto ignore; - if (phy_disable_interrupts(phydev)) - goto phy_err; + if (phy_disable_interrupts(phydev)) + goto phy_err; + } mutex_lock(&phydev->lock); if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) phydev->state = PHY_CHANGELINK; mutex_unlock(&phydev->lock); - atomic_dec(&phydev->irq_disable); - enable_irq(phydev->irq); + if (phy_interrupt_is_valid(phydev)) { + atomic_dec(&phydev->irq_disable); + enable_irq(phydev->irq); - /* Reenable interrupts */ - if (PHY_HALTED != phydev->state && - phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED)) - goto irq_enable_err; + /* Reenable interrupts */ + if (PHY_HALTED != phydev->state && + phy_config_interrupt(phydev, PHY_INTERRUPT_ENABLED)) + goto irq_enable_err; + } /* reschedule state queue work to run as soon as possible */ cancel_delayed_work_sync(&phydev->state_queue); @@ -1021,9 +1025,10 @@ void phy_state_machine(struct work_struct *work) void phy_mac_interrupt(struct phy_device *phydev, int new_link) { - cancel_work_sync(&phydev->phy_queue); phydev->link = new_link; - schedule_work(&phydev->phy_queue); + + /* Trigger a state machine change */ + queue_work(system_power_efficient_wq, &phydev->phy_queue); } EXPORT_SYMBOL(phy_mac_interrupt); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index b15eceb8b442..3b2b853ee3d3 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -522,6 +522,7 @@ struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, phydev = to_phy_device(d); rc = phy_connect_direct(dev, phydev, handler, interface); + put_device(d); if (rc) return ERR_PTR(rc); @@ -721,6 +722,7 @@ struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, phydev = to_phy_device(d); rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface); + put_device(d); if (rc) return ERR_PTR(rc); diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 39976892b312..13f8464741a1 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -494,6 +494,9 @@ static int pppoe_disc_rcv(struct sk_buff *skb, struct net_device *dev, if (!skb) goto out; + if (skb->pkt_type != PACKET_HOST) + goto abort; + if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr))) goto abort; diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index d4a33baa33b6..3132cf4626a8 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -867,7 +867,10 @@ err_free_chan: sl->tty = NULL; tty->disc_data = NULL; clear_bit(SLF_INUSE, &sl->flags); + /* do not call free_netdev before rtnl_unlock */ + rtnl_unlock(); sl_free_netdev(sl->dev); + return err; err_exit: rtnl_unlock(); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index e51fb7cb7728..d0943415aeff 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -466,6 +466,9 @@ static const struct team_mode *team_mode_get(const char *kind) struct team_mode_item *mitem; const struct team_mode *mode = NULL; + if (!try_module_get(THIS_MODULE)) + return NULL; + spin_lock(&mode_list_lock); mitem = __find_mode(kind); if (!mitem) { @@ -481,6 +484,7 @@ static const struct team_mode *team_mode_get(const char *kind) } spin_unlock(&mode_list_lock); + module_put(THIS_MODULE); return mode; } diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 2092ef6431f2..712765976a22 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -251,7 +251,7 @@ int asix_read_phy_addr(struct usbnet *dev, int internal) netdev_dbg(dev->net, "asix_get_phy_addr()\n"); - if (ret < 0) { + if (ret < 2) { netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret); goto out; } diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c index 6b1d03b73eeb..6b734c7ffec3 100644 --- a/drivers/net/usb/ax88172a.c +++ b/drivers/net/usb/ax88172a.c @@ -245,6 +245,7 @@ static int ax88172a_bind(struct usbnet *dev, struct usb_interface *intf) ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf); if (ret < ETH_ALEN) { netdev_err(dev->net, "Failed to read MAC address: %d\n", ret); + ret = -EIO; goto free; } memcpy(dev->net->dev_addr, buf, ETH_ALEN); diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index e3f2e6098db4..2dcc8a039d42 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1396,10 +1396,10 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) } if (pkt_cnt == 0) { - /* Skip IP alignment psudo header */ - skb_pull(skb, 2); skb->len = pkt_len; - skb_set_tail_pointer(skb, pkt_len); + /* Skip IP alignment pseudo header */ + skb_pull(skb, 2); + skb_set_tail_pointer(skb, skb->len); skb->truesize = pkt_len + sizeof(struct sk_buff); ax88179_rx_checksum(skb, pkt_hdr); return 1; @@ -1408,8 +1408,9 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) ax_skb = skb_clone(skb, GFP_ATOMIC); if (ax_skb) { ax_skb->len = pkt_len; - ax_skb->data = skb->data + 2; - skb_set_tail_pointer(ax_skb, pkt_len); + /* Skip IP alignment pseudo header */ + skb_pull(ax_skb, 2); + skb_set_tail_pointer(ax_skb, ax_skb->len); ax_skb->truesize = pkt_len + sizeof(struct sk_buff); ax88179_rx_checksum(ax_skb, pkt_hdr); usbnet_skb_return(dev, ax_skb); diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 0b4bdd39106b..fb18801d0fe7 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -624,6 +624,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x1269), /* DM9621A USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0586, 0x3427), /* ZyXEL Keenetic Plus DSL xDSL modem */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index cbbff16d438f..efd4bf06f6ad 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2280,12 +2280,14 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, minor = get_free_serial_index(); if (minor < 0) - goto exit; + goto exit2; /* register our minor number */ serial->parent->dev = tty_port_register_device_attr(&serial->port, tty_drv, minor, &serial->parent->interface->dev, serial->parent, hso_serial_dev_groups); + if (IS_ERR(serial->parent->dev)) + goto exit2; dev = serial->parent->dev; /* fill in specific data for later use */ @@ -2335,6 +2337,7 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, return 0; exit: hso_serial_tty_unregister(serial); +exit2: hso_serial_common_free(serial); return -1; } diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 75a3865a80d2..1439863e9061 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -251,10 +251,6 @@ struct lan78xx_net { struct tasklet_struct bh; struct delayed_work wq; - struct usb_host_endpoint *ep_blkin; - struct usb_host_endpoint *ep_blkout; - struct usb_host_endpoint *ep_intr; - int msg_enable; struct urb *urb_intr; @@ -2180,77 +2176,12 @@ netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net) return NETDEV_TX_OK; } -int lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf) -{ - int tmp; - struct usb_host_interface *alt = NULL; - struct usb_host_endpoint *in = NULL, *out = NULL; - struct usb_host_endpoint *status = NULL; - - for (tmp = 0; tmp < intf->num_altsetting; tmp++) { - unsigned ep; - - in = NULL; - out = NULL; - status = NULL; - alt = intf->altsetting + tmp; - - for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { - struct usb_host_endpoint *e; - int intr = 0; - - e = alt->endpoint + ep; - switch (e->desc.bmAttributes) { - case USB_ENDPOINT_XFER_INT: - if (!usb_endpoint_dir_in(&e->desc)) - continue; - intr = 1; - /* FALLTHROUGH */ - case USB_ENDPOINT_XFER_BULK: - break; - default: - continue; - } - if (usb_endpoint_dir_in(&e->desc)) { - if (!intr && !in) - in = e; - else if (intr && !status) - status = e; - } else { - if (!out) - out = e; - } - } - if (in && out) - break; - } - if (!alt || !in || !out) - return -EINVAL; - - dev->pipe_in = usb_rcvbulkpipe(dev->udev, - in->desc.bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK); - dev->pipe_out = usb_sndbulkpipe(dev->udev, - out->desc.bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK); - dev->ep_intr = status; - - return 0; -} - static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf) { struct lan78xx_priv *pdata = NULL; int ret; int i; - ret = lan78xx_get_endpoints(dev, intf); - if (ret) { - netdev_warn(dev->net, "lan78xx_get_endpoints failed: %d\n", - ret); - return ret; - } - dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL); pdata = (struct lan78xx_priv *)(dev->data[0]); @@ -2926,6 +2857,7 @@ static const struct net_device_ops lan78xx_netdev_ops = { static int lan78xx_probe(struct usb_interface *intf, const struct usb_device_id *id) { + struct usb_host_endpoint *ep_blkin, *ep_blkout, *ep_intr; struct lan78xx_net *dev; struct net_device *netdev; struct usb_device *udev; @@ -2969,6 +2901,34 @@ static int lan78xx_probe(struct usb_interface *intf, netdev->watchdog_timeo = TX_TIMEOUT_JIFFIES; netdev->ethtool_ops = &lan78xx_ethtool_ops; + if (intf->cur_altsetting->desc.bNumEndpoints < 3) { + ret = -ENODEV; + goto out2; + } + + dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); + ep_blkin = usb_pipe_endpoint(udev, dev->pipe_in); + if (!ep_blkin || !usb_endpoint_is_bulk_in(&ep_blkin->desc)) { + ret = -ENODEV; + goto out2; + } + + dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); + ep_blkout = usb_pipe_endpoint(udev, dev->pipe_out); + if (!ep_blkout || !usb_endpoint_is_bulk_out(&ep_blkout->desc)) { + ret = -ENODEV; + goto out2; + } + + ep_intr = &intf->cur_altsetting->endpoint[2]; + if (!usb_endpoint_is_int_in(&ep_intr->desc)) { + ret = -ENODEV; + goto out2; + } + + dev->pipe_intr = usb_rcvintpipe(dev->udev, + usb_endpoint_num(&ep_intr->desc)); + ret = lan78xx_bind(dev, intf); if (ret < 0) goto out2; @@ -2978,18 +2938,7 @@ static int lan78xx_probe(struct usb_interface *intf, netdev->mtu = dev->hard_mtu - netdev->hard_header_len; netif_set_gso_max_size(netdev, MAX_SINGLE_PACKET_SIZE - MAX_HEADER); - dev->ep_blkin = (intf->cur_altsetting)->endpoint + 0; - dev->ep_blkout = (intf->cur_altsetting)->endpoint + 1; - dev->ep_intr = (intf->cur_altsetting)->endpoint + 2; - - dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); - dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); - - dev->pipe_intr = usb_rcvintpipe(dev->udev, - dev->ep_intr->desc.bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK); - period = dev->ep_intr->desc.bInterval; - + period = ep_intr->desc.bInterval; maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0); buf = kmalloc(maxp, GFP_KERNEL); if (buf) { @@ -3001,6 +2950,7 @@ static int lan78xx_probe(struct usb_interface *intf, usb_fill_int_urb(dev->urb_intr, dev->udev, dev->pipe_intr, buf, maxp, intr_complete, dev, period); + dev->urb_intr->transfer_flags |= URB_FREE_BUFFER; } } diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 4391430e2527..14eca1f80ce3 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -14,7 +14,9 @@ #include <linux/netdevice.h> #include <linux/ethtool.h> #include <linux/etherdevice.h> +#include <linux/if_arp.h> #include <linux/mii.h> +#include <linux/rtnetlink.h> #include <linux/usb.h> #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> @@ -48,11 +50,104 @@ struct qmi_wwan_state { struct usb_driver *subdriver; atomic_t pmcount; - unsigned long unused; + unsigned long flags; struct usb_interface *control; struct usb_interface *data; }; +enum qmi_wwan_flags { + QMI_WWAN_FLAG_RAWIP = 1 << 0, +}; + +enum qmi_wwan_quirks { + QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ +}; + +static void qmi_wwan_netdev_setup(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct qmi_wwan_state *info = (void *)&dev->data; + + if (info->flags & QMI_WWAN_FLAG_RAWIP) { + net->header_ops = NULL; /* No header */ + net->type = ARPHRD_NONE; + net->hard_header_len = 0; + net->addr_len = 0; + net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; + netdev_dbg(net, "mode: raw IP\n"); + } else if (!net->header_ops) { /* don't bother if already set */ + ether_setup(net); + netdev_dbg(net, "mode: Ethernet\n"); + } + + /* recalculate buffers after changing hard_header_len */ + usbnet_change_mtu(net, net->mtu); +} + +static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) +{ + struct usbnet *dev = netdev_priv(to_net_dev(d)); + struct qmi_wwan_state *info = (void *)&dev->data; + + return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); +} + +static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) +{ + struct usbnet *dev = netdev_priv(to_net_dev(d)); + struct qmi_wwan_state *info = (void *)&dev->data; + bool enable; + int ret; + + if (strtobool(buf, &enable)) + return -EINVAL; + + /* no change? */ + if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) + return len; + + if (!rtnl_trylock()) + return restart_syscall(); + + /* we don't want to modify a running netdev */ + if (netif_running(dev->net)) { + netdev_err(dev->net, "Cannot change a running device\n"); + ret = -EBUSY; + goto err; + } + + /* let other drivers deny the change */ + ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); + ret = notifier_to_errno(ret); + if (ret) { + netdev_err(dev->net, "Type change was refused\n"); + goto err; + } + + if (enable) + info->flags |= QMI_WWAN_FLAG_RAWIP; + else + info->flags &= ~QMI_WWAN_FLAG_RAWIP; + qmi_wwan_netdev_setup(dev->net); + call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); + ret = len; +err: + rtnl_unlock(); + return ret; +} + +static DEVICE_ATTR_RW(raw_ip); + +static struct attribute *qmi_wwan_sysfs_attrs[] = { + &dev_attr_raw_ip.attr, + NULL, +}; + +static struct attribute_group qmi_wwan_sysfs_attr_group = { + .name = "qmi", + .attrs = qmi_wwan_sysfs_attrs, +}; + /* default ethernet address used by the modem */ static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; @@ -80,6 +175,8 @@ static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; */ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + struct qmi_wwan_state *info = (void *)&dev->data; + bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; __be16 proto; /* This check is no longer done by usbnet */ @@ -94,15 +191,25 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) proto = htons(ETH_P_IPV6); break; case 0x00: + if (rawip) + return 0; if (is_multicast_ether_addr(skb->data)) return 1; /* possibly bogus destination - rewrite just in case */ skb_reset_mac_header(skb); goto fix_dest; default: + if (rawip) + return 0; /* pass along other packets without modifications */ return 1; } + if (rawip) { + skb->dev = dev->net; /* normally set by eth_type_trans */ + skb->protocol = proto; + return 1; + } + if (skb_headroom(skb) < ETH_HLEN) return 0; skb_push(skb, ETH_HLEN); @@ -223,6 +330,20 @@ err: return rv; } +/* Send CDC SetControlLineState request, setting or clearing the DTR. + * "Required for Autoconnect and 9x30 to wake up" according to the + * GobiNet driver. The requirement has been verified on an MDM9230 + * based Sierra Wireless MC7455 + */ +static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) +{ + u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; + + return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + on ? 0x01 : 0x00, intf, NULL, 0); +} + static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) { int status = -1; @@ -257,7 +378,10 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) "bogus CDC Union: master=%u, slave=%u\n", cdc_union->bMasterInterface0, cdc_union->bSlaveInterface0); - goto err; + + /* ignore and continue... */ + cdc_union = NULL; + info->data = intf; } } @@ -280,6 +404,29 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) usb_driver_release_interface(driver, info->data); } + /* disabling remote wakeup on MDM9x30 devices has the same + * effect as clearing DTR. The device will not respond to QMI + * requests until we set DTR again. This is similar to a + * QMI_CTL SYNC request, clearing a lot of firmware state + * including the client ID allocations. + * + * Our usage model allows a session to span multiple + * open/close events, so we must prevent the firmware from + * clearing out state the clients might need. + * + * MDM9x30 is the first QMI chipset with USB3 support. Abuse + * this fact to enable the quirk for all USB3 devices. + * + * There are also chipsets with the same "set DTR" requirement + * but without USB3 support. Devices based on these chips + * need a quirk flag in the device ID table. + */ + if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || + le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { + qmi_wwan_manage_power(dev, 1); + qmi_wwan_change_dtr(dev, true); + } + /* Never use the same address on both ends of the link, even if the * buggy firmware told us to. Or, if device is assigned the well-known * buggy firmware MAC address, replace it with a random address, @@ -294,6 +441,7 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ } dev->net->netdev_ops = &qmi_wwan_netdev_ops; + dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; err: return status; } @@ -307,6 +455,12 @@ static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) if (info->subdriver && info->subdriver->disconnect) info->subdriver->disconnect(info->control); + /* disable MDM9x30 quirk */ + if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { + qmi_wwan_change_dtr(dev, false); + qmi_wwan_manage_power(dev, 0); + } + /* allow user to unbind using either control or data */ if (intf == info->control) other = info->data; @@ -381,6 +535,16 @@ static const struct driver_info qmi_wwan_info = { .rx_fixup = qmi_wwan_rx_fixup, }; +static const struct driver_info qmi_wwan_info_quirk_dtr = { + .description = "WWAN/QMI device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind, + .unbind = qmi_wwan_unbind, + .manage_power = qmi_wwan_manage_power, + .rx_fixup = qmi_wwan_rx_fixup, + .data = QMI_WWAN_QUIRK_DTR, +}; + #define HUAWEI_VENDOR_ID 0x12D1 /* map QMI/wwan function by a fixed interface number */ @@ -388,6 +552,11 @@ static const struct driver_info qmi_wwan_info = { USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ .driver_info = (unsigned long)&qmi_wwan_info +/* devices requiring "set DTR" quirk */ +#define QMI_QUIRK_SET_DTR(vend, prod, num) \ + USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ + .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr + /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ #define QMI_GOBI1K_DEVICE(vend, prod) \ QMI_FIXED_INTF(vend, prod, 3) @@ -717,6 +886,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ + {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ @@ -750,8 +920,11 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ + {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ @@ -762,16 +935,22 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ + {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ + {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ + {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ {QMI_FIXED_INTF(0x1e0e, 0x9001, 5)}, /* SIMCom 7230E */ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index b6b8aec73b28..e4299852974e 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1136,11 +1136,14 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) /* Init all registers */ ret = smsc95xx_reset(dev); + if (ret) + goto free_pdata; /* detect device revision as different features may be available */ ret = smsc95xx_read_reg(dev, ID_REV, &val); if (ret < 0) - return ret; + goto free_pdata; + val >>= 16; if ((val == ID_REV_CHIP_ID_9500A_) || (val == ID_REV_CHIP_ID_9530_) || @@ -1157,6 +1160,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; + +free_pdata: + kfree(pdata); + return ret; } static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 9ba11d737753..f35597c44e3c 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -664,6 +664,8 @@ vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key, u8 *hfunc) *hfunc = ETH_RSS_HASH_TOP; if (!p) return 0; + if (n > UPT1_RSS_MAX_IND_TABLE_SIZE) + return 0; while (n--) p[n] = rssConf->indTable[n]; return 0; diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index d3d59122a357..27fd5640a273 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -71,41 +71,6 @@ struct pcpu_dstats { struct u64_stats_sync syncp; }; -static struct dst_entry *vrf_ip_check(struct dst_entry *dst, u32 cookie) -{ - return dst; -} - -static int vrf_ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb) -{ - return ip_local_out(net, sk, skb); -} - -static unsigned int vrf_v4_mtu(const struct dst_entry *dst) -{ - /* TO-DO: return max ethernet size? */ - return dst->dev->mtu; -} - -static void vrf_dst_destroy(struct dst_entry *dst) -{ - /* our dst lives forever - or until the device is closed */ -} - -static unsigned int vrf_default_advmss(const struct dst_entry *dst) -{ - return 65535 - 40; -} - -static struct dst_ops vrf_dst_ops = { - .family = AF_INET, - .local_out = vrf_ip_local_out, - .check = vrf_ip_check, - .mtu = vrf_v4_mtu, - .destroy = vrf_dst_destroy, - .default_advmss = vrf_default_advmss, -}; - /* neighbor handling is done with actual device; do not want * to flip skb->dev for those ndisc packets. This really fails * for multiple next protocols (e.g., NEXTHDR_HOP). But it is @@ -363,46 +328,6 @@ static netdev_tx_t vrf_xmit(struct sk_buff *skb, struct net_device *dev) } #if IS_ENABLED(CONFIG_IPV6) -static struct dst_entry *vrf_ip6_check(struct dst_entry *dst, u32 cookie) -{ - return dst; -} - -static struct dst_ops vrf_dst_ops6 = { - .family = AF_INET6, - .local_out = ip6_local_out, - .check = vrf_ip6_check, - .mtu = vrf_v4_mtu, - .destroy = vrf_dst_destroy, - .default_advmss = vrf_default_advmss, -}; - -static int init_dst_ops6_kmem_cachep(void) -{ - vrf_dst_ops6.kmem_cachep = kmem_cache_create("vrf_ip6_dst_cache", - sizeof(struct rt6_info), - 0, - SLAB_HWCACHE_ALIGN, - NULL); - - if (!vrf_dst_ops6.kmem_cachep) - return -ENOMEM; - - return 0; -} - -static void free_dst_ops6_kmem_cachep(void) -{ - kmem_cache_destroy(vrf_dst_ops6.kmem_cachep); -} - -static int vrf_input6(struct sk_buff *skb) -{ - skb->dev->stats.rx_errors++; - kfree_skb(skb); - return 0; -} - /* modelled after ip6_finish_output2 */ static int vrf_finish_output6(struct net *net, struct sock *sk, struct sk_buff *skb) @@ -445,67 +370,34 @@ static int vrf_output6(struct net *net, struct sock *sk, struct sk_buff *skb) !(IP6CB(skb)->flags & IP6SKB_REROUTED)); } -static void vrf_rt6_destroy(struct net_vrf *vrf) +static void vrf_rt6_release(struct net_vrf *vrf) { - dst_destroy(&vrf->rt6->dst); - free_percpu(vrf->rt6->rt6i_pcpu); + dst_release(&vrf->rt6->dst); vrf->rt6 = NULL; } static int vrf_rt6_create(struct net_device *dev) { struct net_vrf *vrf = netdev_priv(dev); - struct dst_entry *dst; + struct net *net = dev_net(dev); struct rt6_info *rt6; - int cpu; int rc = -ENOMEM; - rt6 = dst_alloc(&vrf_dst_ops6, dev, 0, - DST_OBSOLETE_NONE, - (DST_HOST | DST_NOPOLICY | DST_NOXFRM)); + rt6 = ip6_dst_alloc(net, dev, + DST_HOST | DST_NOPOLICY | DST_NOXFRM | DST_NOCACHE); if (!rt6) goto out; - dst = &rt6->dst; - - rt6->rt6i_pcpu = alloc_percpu_gfp(struct rt6_info *, GFP_KERNEL); - if (!rt6->rt6i_pcpu) { - dst_destroy(dst); - goto out; - } - for_each_possible_cpu(cpu) { - struct rt6_info **p = per_cpu_ptr(rt6->rt6i_pcpu, cpu); - *p = NULL; - } - - memset(dst + 1, 0, sizeof(*rt6) - sizeof(*dst)); - - INIT_LIST_HEAD(&rt6->rt6i_siblings); - INIT_LIST_HEAD(&rt6->rt6i_uncached); - - rt6->dst.input = vrf_input6; rt6->dst.output = vrf_output6; - - rt6->rt6i_table = fib6_get_table(dev_net(dev), vrf->tb_id); - - atomic_set(&rt6->dst.__refcnt, 2); - + rt6->rt6i_table = fib6_get_table(net, vrf->tb_id); + dst_hold(&rt6->dst); vrf->rt6 = rt6; rc = 0; out: return rc; } #else -static int init_dst_ops6_kmem_cachep(void) -{ - return 0; -} - -static void free_dst_ops6_kmem_cachep(void) -{ -} - -static void vrf_rt6_destroy(struct net_vrf *vrf) +static void vrf_rt6_release(struct net_vrf *vrf) { } @@ -577,11 +469,11 @@ static int vrf_output(struct net *net, struct sock *sk, struct sk_buff *skb) !(IPCB(skb)->flags & IPSKB_REROUTED)); } -static void vrf_rtable_destroy(struct net_vrf *vrf) +static void vrf_rtable_release(struct net_vrf *vrf) { struct dst_entry *dst = (struct dst_entry *)vrf->rth; - dst_destroy(dst); + dst_release(dst); vrf->rth = NULL; } @@ -590,22 +482,10 @@ static struct rtable *vrf_rtable_create(struct net_device *dev) struct net_vrf *vrf = netdev_priv(dev); struct rtable *rth; - rth = dst_alloc(&vrf_dst_ops, dev, 2, - DST_OBSOLETE_NONE, - (DST_HOST | DST_NOPOLICY | DST_NOXFRM)); + rth = rt_dst_alloc(dev, 0, RTN_UNICAST, 1, 1, 0); if (rth) { rth->dst.output = vrf_output; - rth->rt_genid = rt_genid_ipv4(dev_net(dev)); - rth->rt_flags = 0; - rth->rt_type = RTN_UNICAST; - rth->rt_is_input = 0; - rth->rt_iif = 0; - rth->rt_pmtu = 0; - rth->rt_gateway = 0; - rth->rt_uses_gateway = 0; rth->rt_table_id = vrf->tb_id; - INIT_LIST_HEAD(&rth->rt_uncached); - rth->rt_uncached_list = NULL; } return rth; @@ -739,8 +619,8 @@ static void vrf_dev_uninit(struct net_device *dev) // struct list_head *head = &queue->all_slaves; // struct slave *slave, *next; - vrf_rtable_destroy(vrf); - vrf_rt6_destroy(vrf); + vrf_rtable_release(vrf); + vrf_rt6_release(vrf); // list_for_each_entry_safe(slave, next, head, list) // vrf_del_slave(dev, slave->dev); @@ -772,7 +652,7 @@ static int vrf_dev_init(struct net_device *dev) return 0; out_rth: - vrf_rtable_destroy(vrf); + vrf_rtable_release(vrf); out_stats: free_percpu(dev->dstats); dev->dstats = NULL; @@ -805,7 +685,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev, struct net_vrf *vrf = netdev_priv(dev); rth = vrf->rth; - atomic_inc(&rth->dst.__refcnt); + dst_hold(&rth->dst); } return rth; @@ -856,7 +736,7 @@ static struct dst_entry *vrf_get_rt6_dst(const struct net_device *dev, struct net_vrf *vrf = netdev_priv(dev); rt = vrf->rt6; - atomic_inc(&rt->dst.__refcnt); + dst_hold(&rt->dst); } return (struct dst_entry *)rt; @@ -1003,19 +883,6 @@ static int __init vrf_init_module(void) { int rc; - vrf_dst_ops.kmem_cachep = - kmem_cache_create("vrf_ip_dst_cache", - sizeof(struct rtable), 0, - SLAB_HWCACHE_ALIGN, - NULL); - - if (!vrf_dst_ops.kmem_cachep) - return -ENOMEM; - - rc = init_dst_ops6_kmem_cachep(); - if (rc != 0) - goto error2; - register_netdevice_notifier(&vrf_notifier_block); rc = rtnl_link_register(&vrf_link_ops); @@ -1026,22 +893,10 @@ static int __init vrf_init_module(void) error: unregister_netdevice_notifier(&vrf_notifier_block); - free_dst_ops6_kmem_cachep(); -error2: - kmem_cache_destroy(vrf_dst_ops.kmem_cachep); return rc; } -static void __exit vrf_cleanup_module(void) -{ - rtnl_link_unregister(&vrf_link_ops); - unregister_netdevice_notifier(&vrf_notifier_block); - kmem_cache_destroy(vrf_dst_ops.kmem_cachep); - free_dst_ops6_kmem_cachep(); -} - module_init(vrf_init_module); -module_exit(vrf_cleanup_module); MODULE_AUTHOR("Shrijeet Mukherjee, David Ahern"); MODULE_DESCRIPTION("Device driver to instantiate VRF domains"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d294949005bd..50ede6b8b874 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -921,6 +921,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, struct vxlan_fdb *f; int err; + rcu_read_lock(); hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) { struct vxlan_rdst *rd; @@ -933,12 +934,15 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, cb->nlh->nlmsg_seq, RTM_NEWNEIGH, NLM_F_MULTI, rd); - if (err < 0) + if (err < 0) { + rcu_read_unlock(); goto out; + } skip: ++idx; } } + rcu_read_unlock(); } out: return idx; @@ -1476,6 +1480,10 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request, daddr = eth_hdr(request)->h_source; ns_olen = request->len - skb_transport_offset(request) - sizeof(*ns); for (i = 0; i < ns_olen-1; i += (ns->opt[i+1]<<3)) { + if (!ns->opt[i + 1]) { + kfree_skb(reply); + return NULL; + } if (ns->opt[i] == ND_OPT_SOURCE_LL_ADDR) { daddr = ns->opt + i + sizeof(struct nd_opt_hdr); break; @@ -1864,7 +1872,6 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan, { struct dst_entry *ndst; struct flowi6 fl6; - int err; memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_oif = oif; @@ -1873,11 +1880,10 @@ static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan, fl6.flowi6_mark = skb->mark; fl6.flowi6_proto = IPPROTO_UDP; - err = ipv6_stub->ipv6_dst_lookup(vxlan->net, - vxlan->vn6_sock->sock->sk, - &ndst, &fl6); - if (err < 0) - return ERR_PTR(err); + ndst = ipv6_stub->ipv6_dst_lookup_flow(vxlan->net, vxlan->vn6_sock->sock->sk, + &fl6, NULL); + if (unlikely(IS_ERR(ndst))) + return ERR_PTR(-ENETUNREACH); *saddr = fl6.saddr; return ndst; @@ -2054,7 +2060,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } /* Bypass encapsulation if the destination is local */ - if (rt->rt_flags & RTCF_LOCAL && + if (!info && rt->rt_flags & RTCF_LOCAL && !(rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) { struct vxlan_dev *dst_vxlan; @@ -2068,7 +2074,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, return; } - tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb); + tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); err = vxlan_xmit_skb(rt, sk, skb, fl4.saddr, dst->sin.sin_addr.s_addr, tos, ttl, df, @@ -2112,7 +2118,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, /* Bypass encapsulation if the destination is local */ rt6i_flags = ((struct rt6_info *)ndst)->rt6i_flags; - if (rt6i_flags & RTF_LOCAL && + if (!info && rt6i_flags & RTF_LOCAL && !(rt6i_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) { struct vxlan_dev *dst_vxlan; @@ -2927,30 +2933,6 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, return 0; } -struct net_device *vxlan_dev_create(struct net *net, const char *name, - u8 name_assign_type, struct vxlan_config *conf) -{ - struct nlattr *tb[IFLA_MAX+1]; - struct net_device *dev; - int err; - - memset(&tb, 0, sizeof(tb)); - - dev = rtnl_create_link(net, name, name_assign_type, - &vxlan_link_ops, tb); - if (IS_ERR(dev)) - return dev; - - err = vxlan_dev_configure(net, dev, conf); - if (err < 0) { - free_netdev(dev); - return ERR_PTR(err); - } - - return dev; -} -EXPORT_SYMBOL_GPL(vxlan_dev_create); - static int vxlan_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { @@ -3218,6 +3200,40 @@ static struct rtnl_link_ops vxlan_link_ops __read_mostly = { .get_link_net = vxlan_get_link_net, }; +struct net_device *vxlan_dev_create(struct net *net, const char *name, + u8 name_assign_type, + struct vxlan_config *conf) +{ + struct nlattr *tb[IFLA_MAX + 1]; + struct net_device *dev; + int err; + + memset(&tb, 0, sizeof(tb)); + + dev = rtnl_create_link(net, name, name_assign_type, + &vxlan_link_ops, tb); + if (IS_ERR(dev)) + return dev; + + err = vxlan_dev_configure(net, dev, conf); + if (err < 0) { + free_netdev(dev); + return ERR_PTR(err); + } + + err = rtnl_configure_link(dev, NULL); + if (err < 0) { + LIST_HEAD(list_kill); + + vxlan_dellink(dev, &list_kill); + unregister_netdevice_many(&list_kill); + return ERR_PTR(err); + } + + return dev; +} +EXPORT_SYMBOL_GPL(vxlan_dev_create); + static void vxlan_handle_lowerdev_unregister(struct vxlan_net *vn, struct net_device *dev) { diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index 3f20808b5ff8..f8ed079d8bc3 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -377,6 +377,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) memcpy(&state(hdlc)->settings, &new_settings, size); spin_lock_init(&state(hdlc)->lock); dev->header_ops = &cisco_header_ops; + dev->hard_header_len = sizeof(struct hdlc_header); dev->type = ARPHRD_CISCO; netif_dormant_on(dev); return 0; diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 6676607164d6..c6db9a4e7c45 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -160,6 +160,12 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb, if (!netif_running(dev)) goto drop; + /* There should be a pseudo header of 1 byte added by upper layers. + * Check to make sure it is there before reading it. + */ + if (skb->len < 1) + goto drop; + switch (skb->data[0]) { case X25_IFACE_DATA: break; @@ -207,6 +213,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb) skb->dev = dev = lapbeth->ethdev; + skb_reset_network_header(skb); + dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0); dev_queue_xmit(skb); @@ -308,7 +316,7 @@ static void lapbeth_setup(struct net_device *dev) dev->netdev_ops = &lapbeth_netdev_ops; dev->destructor = free_netdev; dev->type = ARPHRD_X25; - dev->hard_header_len = 3; + dev->hard_header_len = 0; dev->mtu = 1000; dev->addr_len = 0; } @@ -329,6 +337,16 @@ static int lapbeth_new_device(struct net_device *dev) if (!ndev) goto out; + /* When transmitting data: + * first this driver removes a pseudo header of 1 byte, + * then the lapb module prepends an LAPB header of at most 3 bytes, + * then this driver prepends a length field of 2 bytes, + * then the underlying Ethernet device prepends its own header. + */ + ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len + + dev->needed_headroom; + ndev->needed_tailroom = dev->needed_tailroom; + lapbeth = netdev_priv(ndev); lapbeth->axdev = ndev; diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index cd39025d2abf..022487d90aa3 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -186,7 +186,7 @@ static inline void x25_asy_unlock(struct x25_asy *sl) netif_wake_queue(sl->dev); } -/* Send one completely decapsulated IP datagram to the IP layer. */ +/* Send an LAPB frame to the LAPB module to process. */ static void x25_asy_bump(struct x25_asy *sl) { @@ -198,13 +198,12 @@ static void x25_asy_bump(struct x25_asy *sl) count = sl->rcount; dev->stats.rx_bytes += count; - skb = dev_alloc_skb(count+1); + skb = dev_alloc_skb(count); if (skb == NULL) { netdev_warn(sl->dev, "memory squeeze, dropping packet\n"); dev->stats.rx_dropped++; return; } - skb_push(skb, 1); /* LAPB internal control */ memcpy(skb_put(skb, count), sl->rbuff, count); skb->protocol = x25_type_trans(skb, sl->dev); err = lapb_data_received(skb->dev, skb); @@ -212,7 +211,6 @@ static void x25_asy_bump(struct x25_asy *sl) kfree_skb(skb); printk(KERN_DEBUG "x25_asy: data received err - %d\n", err); } else { - netif_rx(skb); dev->stats.rx_packets++; } } @@ -358,12 +356,21 @@ static netdev_tx_t x25_asy_xmit(struct sk_buff *skb, */ /* - * Called when I frame data arrives. We did the work above - throw it - * at the net layer. + * Called when I frame data arrive. We add a pseudo header for upper + * layers and pass it to upper layers. */ static int x25_asy_data_indication(struct net_device *dev, struct sk_buff *skb) { + if (skb_cow(skb, 1)) { + kfree_skb(skb); + return NET_RX_DROP; + } + skb_push(skb, 1); + skb->data[0] = X25_IFACE_DATA; + + skb->protocol = x25_type_trans(skb, dev); + return netif_rx(skb); } @@ -655,7 +662,7 @@ static void x25_asy_unesc(struct x25_asy *sl, unsigned char s) switch (s) { case X25_END: if (!test_and_clear_bit(SLF_ERROR, &sl->flags) && - sl->rcount > 2) + sl->rcount >= 2) x25_asy_bump(sl); clear_bit(SLF_ESCAPE, &sl->flags); sl->rcount = 0; diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c index e74664b84925..4e4167976acf 100644 --- a/drivers/net/wimax/i2400m/usb-fw.c +++ b/drivers/net/wimax/i2400m/usb-fw.c @@ -354,6 +354,7 @@ out: usb_autopm_put_interface(i2400mu->usb_iface); d_fnend(8, dev, "(i2400m %p ack %p size %zu) = %ld\n", i2400m, ack, ack_size, (long) result); + usb_put_urb(¬if_urb); return result; error_exceeded: diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 0c23768aa1ec..ef9fb9ddde5e 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1805,7 +1805,7 @@ static int ath10k_core_probe_fw(struct ath10k *ar) if (ret && ret != -EOPNOTSUPP) { ath10k_err(ar, "failed to get board id from otp for qca99x0: %d\n", ret); - return ret; + goto err_free_firmware_files; } ret = ath10k_core_fetch_board_file(ar); diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 713c2bcea178..8ec5c579d7fa 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -429,7 +429,7 @@ enum ath10k_hw_rate_cck { #define TARGET_10_4_TX_DBG_LOG_SIZE 1024 #define TARGET_10_4_NUM_WDS_ENTRIES 32 -#define TARGET_10_4_DMA_BURST_SIZE 0 +#define TARGET_10_4_DMA_BURST_SIZE 1 #define TARGET_10_4_MAC_AGGR_DELIM 0 #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1 #define TARGET_10_4_VOW_CONFIG 0 diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 1f019df15a67..76d91859cfde 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -608,6 +608,11 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, hif_dev->remain_skb = nskb; spin_unlock(&hif_dev->rx_lock); } else { + if (pool_index == MAX_PKT_NUM_IN_TRANSFER) { + dev_err(&hif_dev->udev->dev, + "ath9k_htc: over RX MAX_PKT_NUM\n"); + goto err; + } nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC); if (!nskb) { dev_err(&hif_dev->udev->dev, @@ -634,9 +639,9 @@ err: static void ath9k_hif_usb_rx_cb(struct urb *urb) { - struct sk_buff *skb = (struct sk_buff *) urb->context; - struct hif_device_usb *hif_dev = - usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); + struct rx_buf *rx_buf = (struct rx_buf *)urb->context; + struct hif_device_usb *hif_dev = rx_buf->hif_dev; + struct sk_buff *skb = rx_buf->skb; int ret; if (!skb) @@ -676,14 +681,15 @@ resubmit: return; free: kfree_skb(skb); + kfree(rx_buf); } static void ath9k_hif_usb_reg_in_cb(struct urb *urb) { - struct sk_buff *skb = (struct sk_buff *) urb->context; + struct rx_buf *rx_buf = (struct rx_buf *)urb->context; + struct hif_device_usb *hif_dev = rx_buf->hif_dev; + struct sk_buff *skb = rx_buf->skb; struct sk_buff *nskb; - struct hif_device_usb *hif_dev = - usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); int ret; if (!skb) @@ -723,11 +729,13 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) return; } + rx_buf->skb = nskb; + usb_fill_int_urb(urb, hif_dev->udev, usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE), nskb->data, MAX_REG_IN_BUF_SIZE, - ath9k_hif_usb_reg_in_cb, nskb, 1); + ath9k_hif_usb_reg_in_cb, rx_buf, 1); } resubmit: @@ -741,6 +749,7 @@ resubmit: return; free: kfree_skb(skb); + kfree(rx_buf); urb->context = NULL; } @@ -786,7 +795,7 @@ static int ath9k_hif_usb_alloc_tx_urbs(struct hif_device_usb *hif_dev) init_usb_anchor(&hif_dev->mgmt_submitted); for (i = 0; i < MAX_TX_URB_NUM; i++) { - tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL); + tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL); if (!tx_buf) goto err; @@ -823,8 +832,9 @@ static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev) static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) { - struct urb *urb = NULL; + struct rx_buf *rx_buf = NULL; struct sk_buff *skb = NULL; + struct urb *urb = NULL; int i, ret; init_usb_anchor(&hif_dev->rx_submitted); @@ -832,6 +842,12 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) for (i = 0; i < MAX_RX_URB_NUM; i++) { + rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL); + if (!rx_buf) { + ret = -ENOMEM; + goto err_rxb; + } + /* Allocate URB */ urb = usb_alloc_urb(0, GFP_KERNEL); if (urb == NULL) { @@ -846,11 +862,14 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) goto err_skb; } + rx_buf->hif_dev = hif_dev; + rx_buf->skb = skb; + usb_fill_bulk_urb(urb, hif_dev->udev, usb_rcvbulkpipe(hif_dev->udev, USB_WLAN_RX_PIPE), skb->data, MAX_RX_BUF_SIZE, - ath9k_hif_usb_rx_cb, skb); + ath9k_hif_usb_rx_cb, rx_buf); /* Anchor URB */ usb_anchor_urb(urb, &hif_dev->rx_submitted); @@ -876,6 +895,8 @@ err_submit: err_skb: usb_free_urb(urb); err_urb: + kfree(rx_buf); +err_rxb: ath9k_hif_usb_dealloc_rx_urbs(hif_dev); return ret; } @@ -887,14 +908,21 @@ static void ath9k_hif_usb_dealloc_reg_in_urbs(struct hif_device_usb *hif_dev) static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev) { - struct urb *urb = NULL; + struct rx_buf *rx_buf = NULL; struct sk_buff *skb = NULL; + struct urb *urb = NULL; int i, ret; init_usb_anchor(&hif_dev->reg_in_submitted); for (i = 0; i < MAX_REG_IN_URB_NUM; i++) { + rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL); + if (!rx_buf) { + ret = -ENOMEM; + goto err_rxb; + } + /* Allocate URB */ urb = usb_alloc_urb(0, GFP_KERNEL); if (urb == NULL) { @@ -909,11 +937,14 @@ static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev) goto err_skb; } + rx_buf->hif_dev = hif_dev; + rx_buf->skb = skb; + usb_fill_int_urb(urb, hif_dev->udev, usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE), skb->data, MAX_REG_IN_BUF_SIZE, - ath9k_hif_usb_reg_in_cb, skb, 1); + ath9k_hif_usb_reg_in_cb, rx_buf, 1); /* Anchor URB */ usb_anchor_urb(urb, &hif_dev->reg_in_submitted); @@ -939,6 +970,8 @@ err_submit: err_skb: usb_free_urb(urb); err_urb: + kfree(rx_buf); +err_rxb: ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev); return ret; } @@ -969,7 +1002,7 @@ err: return -ENOMEM; } -static void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev) +void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev) { usb_kill_anchored_urbs(&hif_dev->regout_submitted); ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev); @@ -1336,8 +1369,9 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface) if (hif_dev->flags & HIF_USB_READY) { ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged); - ath9k_htc_hw_free(hif_dev->htc_handle); ath9k_hif_usb_dev_deinit(hif_dev); + ath9k_destoy_wmi(hif_dev->htc_handle->drv_priv); + ath9k_htc_hw_free(hif_dev->htc_handle); } usb_set_intfdata(interface, NULL); diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h index 7c2ef7ecd98b..835264c36595 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.h +++ b/drivers/net/wireless/ath/ath9k/hif_usb.h @@ -84,6 +84,11 @@ struct tx_buf { struct list_head list; }; +struct rx_buf { + struct sk_buff *skb; + struct hif_device_usb *hif_dev; +}; + #define HIF_USB_TX_STOP BIT(0) #define HIF_USB_TX_FLUSH BIT(1) @@ -131,5 +136,6 @@ struct hif_device_usb { int ath9k_hif_usb_init(void); void ath9k_hif_usb_exit(void); +void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev); #endif /* HTC_USB_H */ diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 8647ab77c019..3932e3d14f3d 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -931,8 +931,9 @@ err_init: int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, u16 devid, char *product, u32 drv_info) { - struct ieee80211_hw *hw; + struct hif_device_usb *hif_dev; struct ath9k_htc_priv *priv; + struct ieee80211_hw *hw; int ret; hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); @@ -967,7 +968,10 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, return 0; err_init: - ath9k_deinit_wmi(priv); + ath9k_stop_wmi(priv); + hif_dev = (struct hif_device_usb *)htc_handle->hif_dev; + ath9k_hif_usb_dealloc_urbs(hif_dev); + ath9k_destoy_wmi(priv); err_free: ieee80211_free_hw(hw); return ret; @@ -982,7 +986,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; ath9k_deinit_device(htc_handle->drv_priv); - ath9k_deinit_wmi(htc_handle->drv_priv); + ath9k_stop_wmi(htc_handle->drv_priv); ieee80211_free_hw(htc_handle->drv_priv->hw); } } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 0d757ced49ba..91d199481a37 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -998,9 +998,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, * which are not PHY_ERROR (short radar pulses have a length of 3) */ if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) { - ath_warn(common, - "Short RX data len, dropping (dlen: %d)\n", - rs_datalen); + ath_dbg(common, ANY, + "Short RX data len, dropping (dlen: %d)\n", + rs_datalen); goto rx_next; } diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index 2294709ee8b0..1af216aa5ada 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -114,6 +114,9 @@ static void htc_process_conn_rsp(struct htc_target *target, if (svc_rspmsg->status == HTC_SERVICE_SUCCESS) { epid = svc_rspmsg->endpoint_id; + if (epid < 0 || epid >= ENDPOINT_MAX) + return; + service_id = be16_to_cpu(svc_rspmsg->service_id); max_msglen = be16_to_cpu(svc_rspmsg->max_msg_len); endpoint = &target->endpoint[epid]; @@ -172,6 +175,7 @@ static int htc_config_pipe_credits(struct htc_target *target) time_left = wait_for_completion_timeout(&target->cmd_wait, HZ); if (!time_left) { dev_err(target->dev, "HTC credit config timeout\n"); + kfree_skb(skb); return -ETIMEDOUT; } @@ -208,6 +212,7 @@ static int htc_setup_complete(struct htc_target *target) time_left = wait_for_completion_timeout(&target->cmd_wait, HZ); if (!time_left) { dev_err(target->dev, "HTC start timeout\n"); + kfree_skb(skb); return -ETIMEDOUT; } @@ -281,6 +286,7 @@ int htc_connect_service(struct htc_target *target, if (!time_left) { dev_err(target->dev, "Service connection timeout for: %d\n", service_connreq->service_id); + kfree_skb(skb); return -ETIMEDOUT; } @@ -414,7 +420,7 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle, return; } - if (epid >= ENDPOINT_MAX) { + if (epid < 0 || epid >= ENDPOINT_MAX) { if (pipe_id != USB_REG_IN_PIPE) dev_kfree_skb_any(skb); else diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index 9c16e2a6d185..f100533eb7ad 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -112,14 +112,17 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv) return wmi; } -void ath9k_deinit_wmi(struct ath9k_htc_priv *priv) +void ath9k_stop_wmi(struct ath9k_htc_priv *priv) { struct wmi *wmi = priv->wmi; mutex_lock(&wmi->op_mutex); wmi->stopped = true; mutex_unlock(&wmi->op_mutex); +} +void ath9k_destoy_wmi(struct ath9k_htc_priv *priv) +{ kfree(priv->wmi); } @@ -337,6 +340,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, ath_dbg(common, WMI, "Timeout waiting for WMI command: %s\n", wmi_cmd_to_name(cmd_id)); mutex_unlock(&wmi->op_mutex); + kfree_skb(skb); return -ETIMEDOUT; } diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 380175d5ecd7..d8b912206232 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -179,7 +179,6 @@ struct wmi { }; struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); -void ath9k_deinit_wmi(struct ath9k_htc_priv *priv); int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi, enum htc_endpoint_id *wmi_ctrl_epid); int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, @@ -189,6 +188,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, void ath9k_wmi_event_tasklet(unsigned long data); void ath9k_fatal_work(struct work_struct *work); void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv); +void ath9k_stop_wmi(struct ath9k_htc_priv *priv); +void ath9k_destoy_wmi(struct ath9k_htc_priv *priv); #define WMI_CMD(_wmi_cmd) \ do { \ diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 88045f93a76c..62ed0977f32c 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -351,9 +351,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); if (SUPP(CARL9170FW_WLANTX_CAB)) { - if_comb_types |= - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO); + if_comb_types |= BIT(NL80211_IFTYPE_AP); #ifdef CONFIG_MAC80211_MESH if_comb_types |= diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index 4d1527a2e292..4fe8482b4187 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -582,11 +582,10 @@ static int carl9170_init_interface(struct ar9170 *ar, ar->disable_offload |= ((vif->type != NL80211_IFTYPE_STATION) && (vif->type != NL80211_IFTYPE_AP)); - /* While the driver supports HW offload in a single - * P2P client configuration, it doesn't support HW - * offload in the favourit, concurrent P2P GO+CLIENT - * configuration. Hence, HW offload will always be - * disabled for P2P. + /* The driver used to have P2P GO+CLIENT support, + * but since this was dropped and we don't know if + * there are any gremlins lurking in the shadows, + * so best we keep HW offload disabled for P2P. */ ar->disable_offload |= vif->p2p; @@ -639,18 +638,6 @@ static int carl9170_op_add_interface(struct ieee80211_hw *hw, if (vif->type == NL80211_IFTYPE_STATION) break; - /* P2P GO [master] use-case - * Because the P2P GO station is selected dynamically - * by all participating peers of a WIFI Direct network, - * the driver has be able to change the main interface - * operating mode on the fly. - */ - if (main_vif->p2p && vif->p2p && - vif->type == NL80211_IFTYPE_AP) { - old_main = main_vif; - break; - } - err = -EBUSY; rcu_read_unlock(); diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index ec013fbd6a81..68bf380b3e53 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -5611,7 +5611,7 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) /* fill hw info */ ieee80211_hw_set(hw, RX_INCLUDES_FCS); ieee80211_hw_set(hw, SIGNAL_DBM); - + ieee80211_hw_set(hw, MFP_CAPABLE); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MESH_POINT) | diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index bd35a702382f..ab15ae67d7bc 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -3835,6 +3835,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev) /* fill hw info */ ieee80211_hw_set(hw, RX_INCLUDES_FCS); ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, MFP_CAPABLE); /* Allow WPA3 in software */ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP) | diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index 34bf3f0b729f..32e21d00cc34 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -571,6 +571,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev, default: b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n", chanstat); + goto drop; } memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index 231c0ba6acb9..1992aae137cd 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -2419,12 +2419,14 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, const u8 *mac, struct station_info *sinfo) { struct brcmf_if *ifp = netdev_priv(ndev); + struct brcmf_scb_val_le scb_val; s32 err = 0; struct brcmf_sta_info_le sta_info_le; u32 sta_flags; u32 is_tdls_peer; s32 total_rssi; s32 count_rssi; + int rssi; u32 i; brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); @@ -2505,6 +2507,20 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); total_rssi /= count_rssi; sinfo->signal = total_rssi; + } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED, + &ifp->vif->sme_state)) { + memset(&scb_val, 0, sizeof(scb_val)); + err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, + &scb_val, sizeof(scb_val)); + if (err) { + brcmf_err("Could not get rssi (%d)\n", err); + goto done; + } else { + rssi = le32_to_cpu(scb_val.val); + sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->signal = rssi; + brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); + } } } done: diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h index 4320c4cae53e..7eb9f31dde1a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h @@ -30,7 +30,7 @@ #define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008 #define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */ -#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0002 +#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0004 #define BRCMF_STA_WME 0x00000002 /* WMM association */ #define BRCMF_STA_AUTHE 0x00000008 /* Authenticated */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index 086cac3f86d6..7b120d841aed 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -2262,10 +2262,22 @@ void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb) void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked) { struct brcmf_fws_info *fws = drvr->fws; + struct brcmf_if *ifp; + int i; - fws->bus_flow_blocked = flow_blocked; - if (!flow_blocked) - brcmf_fws_schedule_deq(fws); - else - fws->stats.bus_flow_block++; + if (fws->avoid_queueing) { + for (i = 0; i < BRCMF_MAX_IFS; i++) { + ifp = drvr->iflist[i]; + if (!ifp || !ifp->ndev) + continue; + brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FLOW, + flow_blocked); + } + } else { + fws->bus_flow_blocked = flow_blocked; + if (!flow_blocked) + brcmf_fws_schedule_deq(fws); + else + fws->stats.bus_flow_block++; + } } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c index 6f7138cea555..f944f356d9c5 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c @@ -1155,6 +1155,8 @@ brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf) brcmu_pkt_buf_free_skb(skb); return; } + + skb->protocol = eth_type_trans(skb, ifp->ndev); brcmf_netif_rx(ifp, skb); } diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index 544ab3750ea6..c56febdae134 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -4294,8 +4294,8 @@ il_apm_init(struct il_priv *il) * power savings, even without L1. */ if (il->cfg->set_l0s) { - pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl); - if (lctl & PCI_EXP_LNKCTL_ASPM_L1) { + ret = pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl); + if (!ret && (lctl & PCI_EXP_LNKCTL_ASPM_L1)) { /* L1-ASPM enabled; disable(!) L0S */ il_set_bit(il, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index d9a4aee246a6..c7e34bb486c9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -70,7 +70,7 @@ /* Highest firmware API version supported */ #define IWL7260_UCODE_API_MAX 17 -#define IWL7265_UCODE_API_MAX 19 +#define IWL7265_UCODE_API_MAX 17 #define IWL7265D_UCODE_API_MAX 19 /* Oldest version we won't warn about */ diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index c6c2d3304dba..8b649b8e4301 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1387,7 +1387,8 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - static struct mwifiex_sta_node *node; + struct mwifiex_sta_node *node; + int i; if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && priv->media_connected && idx == 0) { @@ -1397,13 +1398,10 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, HostCmd_ACT_GEN_GET, 0, NULL, true); - if (node && (&node->list == &priv->sta_list)) { - node = NULL; - return -ENOENT; - } - - node = list_prepare_entry(node, &priv->sta_list, list); - list_for_each_entry_continue(node, &priv->sta_list, list) { + i = 0; + list_for_each_entry(node, &priv->sta_list, list) { + if (i++ != idx) + continue; ether_addr_copy(mac, node->mac_addr); return mwifiex_dump_station_info(priv, node, sinfo); } diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h index 48e549c3b285..347ba45f1f2a 100644 --- a/drivers/net/wireless/mwifiex/pcie.h +++ b/drivers/net/wireless/mwifiex/pcie.h @@ -210,17 +210,17 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8997 = { .cmdrsp_addr_lo = PCIE_SCRATCH_4_REG, .cmdrsp_addr_hi = PCIE_SCRATCH_5_REG, .tx_rdptr = 0xC1A4, - .tx_wrptr = 0xC1A8, - .rx_rdptr = 0xC1A8, + .tx_wrptr = 0xC174, + .rx_rdptr = 0xC174, .rx_wrptr = 0xC1A4, .evt_rdptr = PCIE_SCRATCH_10_REG, .evt_wrptr = PCIE_SCRATCH_11_REG, .drv_rdy = PCIE_SCRATCH_12_REG, .tx_start_ptr = 16, .tx_mask = 0x0FFF0000, - .tx_wrap_mask = 0x01FF0000, + .tx_wrap_mask = 0x1FFF0000, .rx_mask = 0x00000FFF, - .rx_wrap_mask = 0x000001FF, + .rx_wrap_mask = 0x00001FFF, .tx_rollover_ind = BIT(28), .rx_rollover_ind = BIT(12), .evt_rollover_ind = MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND, @@ -342,6 +342,7 @@ mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr) return 1; break; case PCIE_DEVICE_ID_MARVELL_88W8897: + case PCIE_DEVICE_ID_MARVELL_88W8997: if (((card->txbd_wrptr & reg->tx_mask) == (rdptr & reg->tx_mask)) && ((card->txbd_wrptr & reg->tx_rollover_ind) == diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 9ac7aa2431b4..9e3853c8a22d 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -592,6 +592,11 @@ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv, { struct host_cmd_ds_802_11_key_material *key = &resp->params.key_material; + int len; + + len = le16_to_cpu(key->key_param_set.key_len); + if (len > sizeof(key->key_param_set.key)) + return -EINVAL; if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) { if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) { @@ -605,9 +610,8 @@ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv, memset(priv->aes_key.key_param_set.key, 0, sizeof(key->key_param_set.key)); - priv->aes_key.key_param_set.key_len = key->key_param_set.key_len; - memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, - le16_to_cpu(priv->aes_key.key_param_set.key_len)); + priv->aes_key.key_param_set.key_len = cpu_to_le16(len); + memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len); return 0; } @@ -622,9 +626,14 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv, struct host_cmd_ds_command *resp) { struct host_cmd_ds_802_11_key_material_v2 *key_v2; - __le16 len; + int len; key_v2 = &resp->params.key_material_v2; + + len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len); + if (len > WLAN_KEY_LEN_CCMP) + return -EINVAL; + if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) { if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) { mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n"); @@ -640,10 +649,9 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv, memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0, WLAN_KEY_LEN_CCMP); priv->aes_key_v2.key_param_set.key_params.aes.key_len = - key_v2->key_param_set.key_params.aes.key_len; - len = priv->aes_key_v2.key_param_set.key_params.aes.key_len; + cpu_to_le16(len); memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key, - key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len)); + key_v2->key_param_set.key_params.aes.key, len); return 0; } diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index ff3ee9dfbbd5..23bae87d4d3d 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -607,11 +607,13 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) case EVENT_PS_AWAKE: mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n"); - if (!adapter->pps_uapsd_mode && priv->port_open && + if (!adapter->pps_uapsd_mode && + (priv->port_open || + (priv->bss_mode == NL80211_IFTYPE_ADHOC)) && priv->media_connected && adapter->sleep_period.period) { - adapter->pps_uapsd_mode = true; - mwifiex_dbg(adapter, EVENT, - "event: PPS/UAPSD mode activated\n"); + adapter->pps_uapsd_mode = true; + mwifiex_dbg(adapter, EVENT, + "event: PPS/UAPSD mode activated\n"); } adapter->tx_lock_flag = false; if (adapter->pps_uapsd_mode && adapter->gen_null_pkt) { diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 3a2ecb6cf1c3..cad399221b61 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -475,7 +475,8 @@ mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter) priv = adapter->priv[i]; if (!priv) continue; - if (!priv->port_open) + if (!priv->port_open && + (priv->bss_mode != NL80211_IFTYPE_ADHOC)) continue; if (adapter->if_ops.is_port_ready && !adapter->if_ops.is_port_ready(priv)) @@ -1109,7 +1110,8 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, priv_tmp = adapter->bss_prio_tbl[j].bss_prio_cur->priv; - if (!priv_tmp->port_open || + if (((priv_tmp->bss_mode != NL80211_IFTYPE_ADHOC) && + !priv_tmp->port_open) || (atomic_read(&priv_tmp->wmm.tx_pkts_queued) == 0)) continue; diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index 9408c1f8e397..f01ef8ecfaf3 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -755,8 +755,11 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw) usb_anchor_urb(urb, &rtlusb->rx_submitted); err = usb_submit_urb(urb, GFP_KERNEL); - if (err) + if (err) { + usb_unanchor_urb(urb); + usb_free_urb(urb); goto err_out; + } usb_free_urb(urb); } return 0; diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c index c98630394a1a..26bf3e2b750d 100644 --- a/drivers/net/wireless/ti/wl1251/event.c +++ b/drivers/net/wireless/ti/wl1251/event.c @@ -80,7 +80,7 @@ static int wl1251_event_ps_report(struct wl1251 *wl, break; } - return 0; + return ret; } static void wl1251_event_mbox_dump(struct event_mailbox *mbox) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 02b6a6c10840..7d4c0c46a889 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -62,6 +62,8 @@ module_param_named(max_queues, xennet_max_queues, uint, 0644); MODULE_PARM_DESC(max_queues, "Maximum number of queues per virtual interface"); +#define XENNET_TIMEOUT (5 * HZ) + static const struct ethtool_ops xennet_ethtool_ops; struct netfront_cb { @@ -1349,12 +1351,15 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) netif_carrier_off(netdev); - xenbus_switch_state(dev, XenbusStateInitialising); - wait_event(module_wq, - xenbus_read_driver_state(dev->otherend) != - XenbusStateClosed && - xenbus_read_driver_state(dev->otherend) != - XenbusStateUnknown); + do { + xenbus_switch_state(dev, XenbusStateInitialising); + err = wait_event_timeout(module_wq, + xenbus_read_driver_state(dev->otherend) != + XenbusStateClosed && + xenbus_read_driver_state(dev->otherend) != + XenbusStateUnknown, XENNET_TIMEOUT); + } while (!err); + return netdev; exit: @@ -2166,28 +2171,43 @@ static const struct attribute_group xennet_dev_group = { }; #endif /* CONFIG_SYSFS */ -static int xennet_remove(struct xenbus_device *dev) +static void xennet_bus_close(struct xenbus_device *dev) { - struct netfront_info *info = dev_get_drvdata(&dev->dev); - - dev_dbg(&dev->dev, "%s\n", dev->nodename); + int ret; - if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) { + if (xenbus_read_driver_state(dev->otherend) == XenbusStateClosed) + return; + do { xenbus_switch_state(dev, XenbusStateClosing); - wait_event(module_wq, - xenbus_read_driver_state(dev->otherend) == - XenbusStateClosing || - xenbus_read_driver_state(dev->otherend) == - XenbusStateUnknown); + ret = wait_event_timeout(module_wq, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosing || + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosed || + xenbus_read_driver_state(dev->otherend) == + XenbusStateUnknown, + XENNET_TIMEOUT); + } while (!ret); + + if (xenbus_read_driver_state(dev->otherend) == XenbusStateClosed) + return; + do { xenbus_switch_state(dev, XenbusStateClosed); - wait_event(module_wq, - xenbus_read_driver_state(dev->otherend) == - XenbusStateClosed || - xenbus_read_driver_state(dev->otherend) == - XenbusStateUnknown); - } + ret = wait_event_timeout(module_wq, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosed || + xenbus_read_driver_state(dev->otherend) == + XenbusStateUnknown, + XENNET_TIMEOUT); + } while (!ret); +} + +static int xennet_remove(struct xenbus_device *dev) +{ + struct netfront_info *info = dev_get_drvdata(&dev->dev); + xennet_bus_close(dev); xennet_disconnect_backend(info); if (info->netdev->reg_state == NETREG_REGISTERED) diff --git a/drivers/nfc/s3fwrn5/core.c b/drivers/nfc/s3fwrn5/core.c index 0d866ca295e3..cafab107ba9b 100644 --- a/drivers/nfc/s3fwrn5/core.c +++ b/drivers/nfc/s3fwrn5/core.c @@ -209,6 +209,7 @@ int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb, case S3FWRN5_MODE_FW: return s3fwrn5_fw_recv_frame(ndev, skb); default: + kfree_skb(skb); return -ENODEV; } } diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c index 798a32bbac5d..e023a679bdea 100644 --- a/drivers/nfc/st21nfca/dep.c +++ b/drivers/nfc/st21nfca/dep.c @@ -184,8 +184,10 @@ static int st21nfca_tm_send_atr_res(struct nfc_hci_dev *hdev, memcpy(atr_res->gbi, atr_req->gbi, gb_len); r = nfc_set_remote_general_bytes(hdev->ndev, atr_res->gbi, gb_len); - if (r < 0) + if (r < 0) { + kfree_skb(skb); return r; + } } info->dep_info.curr_nfc_dep_pni = 0; diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 957234272ef7..727eaf203463 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -443,9 +443,9 @@ static int btt_log_init(struct arena_info *arena) static int btt_freelist_init(struct arena_info *arena) { - int old, new, ret; + int new, ret; u32 i, map_entry; - struct log_entry log_new, log_old; + struct log_entry log_new; arena->freelist = kcalloc(arena->nfree, sizeof(struct free_entry), GFP_KERNEL); @@ -453,10 +453,6 @@ static int btt_freelist_init(struct arena_info *arena) return -ENOMEM; for (i = 0; i < arena->nfree; i++) { - old = btt_log_read(arena, i, &log_old, LOG_OLD_ENT); - if (old < 0) - return old; - new = btt_log_read(arena, i, &log_new, LOG_NEW_ENT); if (new < 0) return new; diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index a87a868fed64..2b1ccb806249 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -334,8 +334,11 @@ int of_phy_register_fixed_link(struct device_node *np) status.link = 1; status.duplex = of_property_read_bool(fixed_link_node, "full-duplex"); - if (of_property_read_u32(fixed_link_node, "speed", &status.speed)) + if (of_property_read_u32(fixed_link_node, "speed", + &status.speed)) { + of_node_put(fixed_link_node); return -EINVAL; + } status.pause = of_property_read_bool(fixed_link_node, "pause"); status.asym_pause = of_property_read_bool(fixed_link_node, "asym-pause"); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index f3b9746157f8..b854de39c7ff 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -1277,7 +1277,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num) ** (one that doesn't overlap memory or LMMIO space) in the ** IBASE and IMASK registers. */ - ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE); + ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE) & ~0x1fffffULL; iova_space_size = ~(READ_REG(ioc->ioc_hpa + IOC_IMASK) & 0xFFFFFFFFUL) + 1; if ((ioc->ibase < 0xfed00000UL) && ((ioc->ibase + iova_space_size) > 0xfee00000UL)) { diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 572ca192cb1f..6727471ea5b4 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -136,13 +136,21 @@ static struct acpiphp_context *acpiphp_grab_context(struct acpi_device *adev) struct acpiphp_context *context; acpi_lock_hp_context(); + context = acpiphp_get_context(adev); - if (!context || context->func.parent->is_going_away) { - acpi_unlock_hp_context(); - return NULL; + if (!context) + goto unlock; + + if (context->func.parent->is_going_away) { + acpiphp_put_context(context); + context = NULL; + goto unlock; } + get_bridge(context->func.parent); acpiphp_put_context(context); + +unlock: acpi_unlock_hp_context(); return context; } diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 6ac6618c1c10..ac9c1172c84a 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1027,6 +1027,9 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, if (i >= PCI_ROM_RESOURCE) return -ENODEV; + if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(res->start)) + return -EINVAL; + if (!pci_mmap_fits(pdev, i, vma, PCI_MMAP_SYSFS)) { WARN(1, "process \"%s\" tried to map 0x%08lx bytes at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n", current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff, @@ -1043,10 +1046,6 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, pci_resource_to_user(pdev, i, res, &start, &end); vma->vm_pgoff += start >> PAGE_SHIFT; mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io; - - if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(start)) - return -EINVAL; - return pci_mmap_page_range(pdev, vma, mmap_type, write_combine); } diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index c6a012b5ba39..a098f8324afd 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -388,16 +388,6 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist) /* Setup initial capable state. Will be updated later */ link->aspm_capable = link->aspm_support; - /* - * If the downstream component has pci bridge function, don't - * do ASPM for now. - */ - list_for_each_entry(child, &linkbus->devices, bus_list) { - if (pci_pcie_type(child) == PCI_EXP_TYPE_PCI_BRIDGE) { - link->aspm_disable = ASPM_STATE_ALL; - break; - } - } /* Get and check endpoint acceptable latencies */ list_for_each_entry(child, &linkbus->devices, bus_list) { @@ -817,6 +807,7 @@ static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp) cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]); else cnt += sprintf(buffer + cnt, "%s ", policy_str[i]); + cnt += sprintf(buffer + cnt, "\n"); return cnt; } diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 5f040619393f..becedabff141 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1226,7 +1226,7 @@ int pci_setup_device(struct pci_dev *dev) /* device class may be changed after fixup */ class = dev->class >> 8; - if (dev->non_compliant_bars) { + if (dev->non_compliant_bars && !dev->mmio_always_on) { pci_read_config_word(dev, PCI_COMMAND, &cmd); if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n"); @@ -1335,13 +1335,33 @@ static void pci_configure_mps(struct pci_dev *dev) struct pci_dev *bridge = pci_upstream_bridge(dev); int mps, p_mps, rc; - if (!pci_is_pcie(dev) || !bridge || !pci_is_pcie(bridge)) + if (!pci_is_pcie(dev)) return; /* MPS and MRRS fields are of type 'RsvdP' for VFs, short-circuit out */ if (dev->is_virtfn) return; + /* + * For Root Complex Integrated Endpoints, program the maximum + * supported value unless limited by the PCIE_BUS_PEER2PEER case. + */ + if (pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END) { + if (pcie_bus_config == PCIE_BUS_PEER2PEER) + mps = 128; + else + mps = 128 << dev->pcie_mpss; + rc = pcie_set_mps(dev, mps); + if (rc) { + dev_warn(&dev->dev, "can't set Max Payload Size to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n", + mps); + } + return; + } + + if (!bridge || !pci_is_pcie(bridge)) + return; + mps = pcie_get_mps(dev); p_mps = pcie_get_mps(bridge); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 83ad32b07cc3..bdaeccafa261 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1624,6 +1624,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7520_MCH, quir DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7320_MCH, quirk_pcie_mch); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7525_MCH, quirk_pcie_mch); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_HUAWEI, 0x1610, PCI_CLASS_BRIDGE_PCI, 8, quirk_pcie_mch); /* * It's possible for the MSI to get corrupted if shpc and acpi @@ -2272,6 +2273,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi); +static void quirk_disable_aspm_l0s_l1(struct pci_dev *dev) +{ + dev_info(&dev->dev, "Disabling ASPM L0s/L1\n"); + pci_disable_link_state(dev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); +} + +/* + * ASM1083/1085 PCIe-PCI bridge devices cause AER timeout errors on the + * upstream PCIe root port when ASPM is enabled. At least L0s mode is affected; + * disable both L0s and L1 for now to be safe. + */ +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080, quirk_disable_aspm_l0s_l1); + /* * The APC bridge device in AMD 780 family northbridges has some random * OEM subsystem ID in its vendor ID register (erratum 18), so instead diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index 429d34c348b9..01a343ad7155 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -303,13 +303,16 @@ placeholder: slot_name = make_slot_name(name); if (!slot_name) { err = -ENOMEM; + kfree(slot); goto err; } err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL, "%s", slot_name); - if (err) + if (err) { + kobject_put(&slot->kobj); goto err; + } INIT_LIST_HEAD(&slot->list); list_add(&slot->list, &parent->slots); @@ -328,7 +331,6 @@ out: mutex_unlock(&pci_slot_mutex); return slot; err: - kfree(slot); slot = ERR_PTR(err); goto out; } diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 17dd8fe12b54..4ae15edde037 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -795,7 +795,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, return 0; out: - kfree(maps); + bcm2835_pctl_dt_free_map(pctldev, maps, num_pins * maps_per_pin); return err; } diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h index 7bfea47dbb47..f63417197a62 100644 --- a/drivers/pinctrl/pinctrl-amd.h +++ b/drivers/pinctrl/pinctrl-amd.h @@ -249,7 +249,7 @@ static const struct amd_pingroup kerncz_groups[] = { { .name = "uart0", .pins = uart0_pins, - .npins = 9, + .npins = 5, }, { .name = "uart1", diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 73d8d47ea465..17714793c08e 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1071,7 +1071,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, /* If pinconf isn't supported, don't parse properties in below. */ if (!PCS_HAS_PINCONF) - return 0; + return -ENOTSUPP; /* cacluate how much properties are supported in current node */ for (i = 0; i < ARRAY_SIZE(prop2); i++) { @@ -1083,7 +1083,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, nconfs++; } if (!nconfs) - return 0; + return -ENOTSUPP; func->conf = devm_kzalloc(pcs->dev, sizeof(struct pcs_conf_vals) * nconfs, @@ -1196,9 +1196,12 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs, if (PCS_HAS_PINCONF) { res = pcs_parse_pinconf(pcs, np, function, map); - if (res) + if (res == 0) + *num_maps = 2; + else if (res == -ENOTSUPP) + *num_maps = 1; + else goto free_pingroups; - *num_maps = 2; } else { *num_maps = 1; } diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c index a30e967d75c2..d3d1dceaec2d 100644 --- a/drivers/pinctrl/pinctrl-tegra.c +++ b/drivers/pinctrl/pinctrl-tegra.c @@ -418,7 +418,7 @@ static int tegra_pinconf_reg(struct tegra_pmx *pmx, return -ENOTSUPP; } - if (*reg < 0 || *bit > 31) { + if (*reg < 0 || *bit < 0) { if (report_err) { const char *prop = "unknown"; int i; diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 2551e4adb33f..e256d2a0eb1a 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -288,6 +288,7 @@ struct exynos_eint_gpio_save { u32 eint_con; u32 eint_fltcon0; u32 eint_fltcon1; + u32 eint_mask; }; /* @@ -588,10 +589,13 @@ static void exynos_pinctrl_suspend_bank( + 2 * bank->eint_offset); save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4); + save->eint_mask = readl(regs + bank->irq_chip->eint_mask + + bank->eint_offset); pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0); pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1); + pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); } static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) @@ -620,6 +624,9 @@ static void exynos_pinctrl_resume_bank( pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name, readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4), save->eint_fltcon1); + pr_debug("%s: mask %#010x => %#010x\n", bank->name, + readl(regs + bank->irq_chip->eint_mask + + bank->eint_offset), save->eint_mask); writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET + bank->eint_offset); @@ -627,6 +634,8 @@ static void exynos_pinctrl_resume_bank( + 2 * bank->eint_offset); writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4); + writel(save->eint_mask, regs + bank->irq_chip->eint_mask + + bank->eint_offset); } static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index b2cdc1a1ad4f..5c169a837ebd 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1826,7 +1826,7 @@ static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level, if (!strcmp(ctx, "SENR")) { if (acpi_bus_get_device(ah, &dev)) return AE_OK; - if (!strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev))) + if (strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev))) return AE_OK; } else return AE_OK; @@ -1847,8 +1847,7 @@ static int __init acer_wmi_get_handle(const char *name, const char *prop, handle = NULL; status = acpi_get_devices(prop, acer_wmi_get_handle_cb, (void *)name, &handle); - - if (ACPI_SUCCESS(status)) { + if (ACPI_SUCCESS(status) && handle) { *ah = handle; return 0; } else { @@ -2199,8 +2198,8 @@ static int __init acer_wmi_init(void) if (err) return err; err = acer_wmi_accel_setup(); - if (err) - return err; + if (err && err != -ENODEV) + pr_warn("Cannot enable accelerometer\n"); } err = platform_driver_register(&acer_platform_driver); diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c index f5585740a765..95121bff2d3e 100644 --- a/drivers/platform/x86/alienware-wmi.c +++ b/drivers/platform/x86/alienware-wmi.c @@ -449,23 +449,22 @@ static acpi_status alienware_hdmi_command(struct hdmi_args *in_args, input.length = (acpi_size) sizeof(*in_args); input.pointer = in_args; - if (out_data != NULL) { + if (out_data) { output.length = ACPI_ALLOCATE_BUFFER; output.pointer = NULL; status = wmi_evaluate_method(WMAX_CONTROL_GUID, 1, command, &input, &output); - } else + if (ACPI_SUCCESS(status)) { + obj = (union acpi_object *)output.pointer; + if (obj && obj->type == ACPI_TYPE_INTEGER) + *out_data = (u32)obj->integer.value; + } + kfree(output.pointer); + } else { status = wmi_evaluate_method(WMAX_CONTROL_GUID, 1, command, &input, NULL); - - if (ACPI_SUCCESS(status) && out_data != NULL) { - obj = (union acpi_object *)output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - *out_data = (u32) obj->integer.value; } - kfree(output.pointer); return status; - } static ssize_t show_hdmi_cable(struct device *dev, diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index cccf250cd1e3..ee64c9512a3a 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -551,9 +551,33 @@ static struct asus_wmi_driver asus_nb_wmi_driver = { .detect_quirks = asus_nb_wmi_quirks, }; +static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = { + { + /* + * asus-nb-wm adds no functionality. The T100TA has a detachable + * USB kbd, so no hotkeys and it has no WMI rfkill; and loading + * asus-nb-wm causes the camera LED to turn and _stay_ on. + */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"), + }, + }, + { + /* The Asus T200TA has the same issue as the T100TA */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"), + }, + }, + {} /* Terminating entry */ +}; static int __init asus_nb_wmi_init(void) { + if (dmi_check_system(asus_nb_wmi_blacklist)) + return -ENODEV; + return asus_wmi_register_driver(&asus_nb_wmi_driver); } diff --git a/drivers/power/88pm860x_battery.c b/drivers/power/88pm860x_battery.c index 63c57dc82ac1..4eda5065b5bb 100644 --- a/drivers/power/88pm860x_battery.c +++ b/drivers/power/88pm860x_battery.c @@ -436,7 +436,7 @@ static void pm860x_init_battery(struct pm860x_battery_info *info) int ret; int data; int bat_remove; - int soc; + int soc = 0; /* measure enable on GPADC1 */ data = MEAS1_GP1; @@ -499,7 +499,9 @@ static void pm860x_init_battery(struct pm860x_battery_info *info) } mutex_unlock(&info->lock); - calc_soc(info, OCV_MODE_ACTIVE, &soc); + ret = calc_soc(info, OCV_MODE_ACTIVE, &soc); + if (ret < 0) + goto out; data = pm860x_reg_read(info->i2c, PM8607_POWER_UP_LOG); bat_remove = data & BAT_WU_LOG; diff --git a/drivers/power/bq27xxx_battery.c b/drivers/power/bq27xxx_battery.c index 6c3a447f378b..286122df3e01 100644 --- a/drivers/power/bq27xxx_battery.c +++ b/drivers/power/bq27xxx_battery.c @@ -198,10 +198,10 @@ static u8 bq27500_regs[] = { INVALID_REG_ADDR, /* TTECP - NA */ 0x0c, /* NAC */ 0x12, /* LMD(FCC) */ - 0x1e, /* CYCT */ + 0x2a, /* CYCT */ INVALID_REG_ADDR, /* AE - NA */ - 0x20, /* SOC(RSOC) */ - 0x2e, /* DCAP(ILMD) */ + 0x2c, /* SOC(RSOC) */ + 0x3c, /* DCAP(ILMD) */ INVALID_REG_ADDR, /* AP - NA */ }; @@ -242,7 +242,7 @@ static u8 bq27541_regs[] = { INVALID_REG_ADDR, /* AE - NA */ 0x2c, /* SOC(RSOC) */ 0x3c, /* DCAP */ - 0x76, /* AP */ + 0x24, /* AP */ }; static u8 bq27545_regs[] = { @@ -471,7 +471,10 @@ static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di) { int soc; - soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false); + if (di->chip == BQ27000 || di->chip == BQ27010) + soc = bq27xxx_read(di, BQ27XXX_REG_SOC, true); + else + soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false); if (soc < 0) dev_dbg(di->dev, "error reading State-of-Charge\n"); @@ -536,7 +539,10 @@ static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) { int dcap; - dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false); + if (di->chip == BQ27000 || di->chip == BQ27010) + dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, true); + else + dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false); if (dcap < 0) { dev_dbg(di->dev, "error reading initial last measured discharge\n"); @@ -544,7 +550,7 @@ static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) } if (di->chip == BQ27000 || di->chip == BQ27010) - dcap *= BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS; + dcap = (dcap << 8) * BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS; else dcap *= 1000; diff --git a/drivers/power/ipaq_micro_battery.c b/drivers/power/ipaq_micro_battery.c index f03014ea1dc4..65e9921c5a11 100644 --- a/drivers/power/ipaq_micro_battery.c +++ b/drivers/power/ipaq_micro_battery.c @@ -261,7 +261,7 @@ static int micro_batt_probe(struct platform_device *pdev) return 0; ac_err: - power_supply_unregister(micro_ac_power); + power_supply_unregister(micro_batt_power); batt_err: cancel_delayed_work_sync(&mb->update); destroy_workqueue(mb->wq); diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c index ccb619632e46..1fb8ed11532a 100644 --- a/drivers/power/reset/vexpress-poweroff.c +++ b/drivers/power/reset/vexpress-poweroff.c @@ -150,6 +150,7 @@ static struct platform_driver vexpress_reset_driver = { .driver = { .name = "vexpress-reset", .of_match_table = vexpress_reset_of_match, + .suppress_bind_attrs = true, }, }; diff --git a/drivers/power/smb347-charger.c b/drivers/power/smb347-charger.c index 072c5189bd6d..0655dbdc7000 100644 --- a/drivers/power/smb347-charger.c +++ b/drivers/power/smb347-charger.c @@ -1141,6 +1141,7 @@ static bool smb347_volatile_reg(struct device *dev, unsigned int reg) switch (reg) { case IRQSTAT_A: case IRQSTAT_C: + case IRQSTAT_D: case IRQSTAT_E: case IRQSTAT_F: case STAT_A: diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c index 83c42ea88f2b..57246cdbd042 100644 --- a/drivers/power/test_power.c +++ b/drivers/power/test_power.c @@ -301,6 +301,8 @@ static int map_get_value(struct battery_property_map *map, const char *key, buf[MAX_KEYLENGTH-1] = '\0'; cr = strnlen(buf, MAX_KEYLENGTH) - 1; + if (cr < 0) + return def_val; if (buf[cr] == '\n') buf[cr] = '\0'; diff --git a/drivers/power/tps65217_charger.c b/drivers/power/tps65217_charger.c index 040a40b4b173..4c56e54af6ac 100644 --- a/drivers/power/tps65217_charger.c +++ b/drivers/power/tps65217_charger.c @@ -197,6 +197,7 @@ static int tps65217_charger_probe(struct platform_device *pdev) { struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent); struct tps65217_charger *charger; + struct power_supply_config cfg = {}; int ret; dev_dbg(&pdev->dev, "%s\n", __func__); @@ -209,9 +210,12 @@ static int tps65217_charger_probe(struct platform_device *pdev) charger->tps = tps; charger->dev = &pdev->dev; + cfg.of_node = pdev->dev.of_node; + cfg.drv_data = charger; + charger->ac = devm_power_supply_register(&pdev->dev, &tps65217_charger_desc, - NULL); + &cfg); if (IS_ERR(charger->ac)) { dev_err(&pdev->dev, "failed: power supply register\n"); return PTR_ERR(charger->ac); diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index 60a5e0c63a13..efe68b13704d 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -171,10 +171,11 @@ static struct posix_clock_operations ptp_clock_ops = { .read = ptp_read, }; -static void delete_ptp_clock(struct posix_clock *pc) +static void ptp_clock_release(struct device *dev) { - struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); + struct ptp_clock *ptp = container_of(dev, struct ptp_clock, dev); + ptp_cleanup_pin_groups(ptp); mutex_destroy(&ptp->tsevq_mux); mutex_destroy(&ptp->pincfg_mux); ida_simple_remove(&ptp_clocks_map, ptp->index); @@ -205,7 +206,6 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, } ptp->clock.ops = ptp_clock_ops; - ptp->clock.release = delete_ptp_clock; ptp->info = info; ptp->devid = MKDEV(major, index); ptp->index = index; @@ -214,17 +214,9 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, mutex_init(&ptp->pincfg_mux); init_waitqueue_head(&ptp->tsev_wq); - /* Create a new device in our class. */ - ptp->dev = device_create(ptp_class, parent, ptp->devid, ptp, - "ptp%d", ptp->index); - if (IS_ERR(ptp->dev)) - goto no_device; - - dev_set_drvdata(ptp->dev, ptp); - - err = ptp_populate_sysfs(ptp); + err = ptp_populate_pin_groups(ptp); if (err) - goto no_sysfs; + goto no_pin_groups; /* Register a new PPS source. */ if (info->pps) { @@ -235,13 +227,24 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, pps.owner = info->owner; ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS); if (!ptp->pps_source) { + err = -EINVAL; pr_err("failed to register pps source\n"); goto no_pps; } } - /* Create a posix clock. */ - err = posix_clock_register(&ptp->clock, ptp->devid); + /* Initialize a new device of our class in our clock structure. */ + device_initialize(&ptp->dev); + ptp->dev.devt = ptp->devid; + ptp->dev.class = ptp_class; + ptp->dev.parent = parent; + ptp->dev.groups = ptp->pin_attr_groups; + ptp->dev.release = ptp_clock_release; + dev_set_drvdata(&ptp->dev, ptp); + dev_set_name(&ptp->dev, "ptp%d", ptp->index); + + /* Create a posix clock and link it to the device. */ + err = posix_clock_register(&ptp->clock, &ptp->dev); if (err) { pr_err("failed to create posix clock\n"); goto no_clock; @@ -253,10 +256,8 @@ no_clock: if (ptp->pps_source) pps_unregister_source(ptp->pps_source); no_pps: - ptp_cleanup_sysfs(ptp); -no_sysfs: - device_destroy(ptp_class, ptp->devid); -no_device: + ptp_cleanup_pin_groups(ptp); +no_pin_groups: mutex_destroy(&ptp->tsevq_mux); mutex_destroy(&ptp->pincfg_mux); no_slot: @@ -274,10 +275,9 @@ int ptp_clock_unregister(struct ptp_clock *ptp) /* Release the clock's resources. */ if (ptp->pps_source) pps_unregister_source(ptp->pps_source); - ptp_cleanup_sysfs(ptp); - device_destroy(ptp_class, ptp->devid); posix_clock_unregister(&ptp->clock); + return 0; } EXPORT_SYMBOL(ptp_clock_unregister); diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h index 9c5d41421b65..15346e840caa 100644 --- a/drivers/ptp/ptp_private.h +++ b/drivers/ptp/ptp_private.h @@ -40,7 +40,7 @@ struct timestamp_event_queue { struct ptp_clock { struct posix_clock clock; - struct device *dev; + struct device dev; struct ptp_clock_info *info; dev_t devid; int index; /* index into clocks.map */ @@ -54,6 +54,8 @@ struct ptp_clock { struct device_attribute *pin_dev_attr; struct attribute **pin_attr; struct attribute_group pin_attr_group; + /* 1st entry is a pointer to the real group, 2nd is NULL terminator */ + const struct attribute_group *pin_attr_groups[2]; }; /* @@ -94,8 +96,7 @@ uint ptp_poll(struct posix_clock *pc, extern const struct attribute_group *ptp_groups[]; -int ptp_cleanup_sysfs(struct ptp_clock *ptp); - -int ptp_populate_sysfs(struct ptp_clock *ptp); +int ptp_populate_pin_groups(struct ptp_clock *ptp); +void ptp_cleanup_pin_groups(struct ptp_clock *ptp); #endif diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c index 302e626fe6b0..731d0423c8aa 100644 --- a/drivers/ptp/ptp_sysfs.c +++ b/drivers/ptp/ptp_sysfs.c @@ -46,27 +46,6 @@ PTP_SHOW_INT(n_periodic_outputs, n_per_out); PTP_SHOW_INT(n_programmable_pins, n_pins); PTP_SHOW_INT(pps_available, pps); -static struct attribute *ptp_attrs[] = { - &dev_attr_clock_name.attr, - &dev_attr_max_adjustment.attr, - &dev_attr_n_alarms.attr, - &dev_attr_n_external_timestamps.attr, - &dev_attr_n_periodic_outputs.attr, - &dev_attr_n_programmable_pins.attr, - &dev_attr_pps_available.attr, - NULL, -}; - -static const struct attribute_group ptp_group = { - .attrs = ptp_attrs, -}; - -const struct attribute_group *ptp_groups[] = { - &ptp_group, - NULL, -}; - - static ssize_t extts_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -91,6 +70,7 @@ static ssize_t extts_enable_store(struct device *dev, out: return err; } +static DEVICE_ATTR(extts_enable, 0220, NULL, extts_enable_store); static ssize_t extts_fifo_show(struct device *dev, struct device_attribute *attr, char *page) @@ -124,6 +104,7 @@ out: mutex_unlock(&ptp->tsevq_mux); return cnt; } +static DEVICE_ATTR(fifo, 0444, extts_fifo_show, NULL); static ssize_t period_store(struct device *dev, struct device_attribute *attr, @@ -151,6 +132,7 @@ static ssize_t period_store(struct device *dev, out: return err; } +static DEVICE_ATTR(period, 0220, NULL, period_store); static ssize_t pps_enable_store(struct device *dev, struct device_attribute *attr, @@ -177,6 +159,57 @@ static ssize_t pps_enable_store(struct device *dev, out: return err; } +static DEVICE_ATTR(pps_enable, 0220, NULL, pps_enable_store); + +static struct attribute *ptp_attrs[] = { + &dev_attr_clock_name.attr, + + &dev_attr_max_adjustment.attr, + &dev_attr_n_alarms.attr, + &dev_attr_n_external_timestamps.attr, + &dev_attr_n_periodic_outputs.attr, + &dev_attr_n_programmable_pins.attr, + &dev_attr_pps_available.attr, + + &dev_attr_extts_enable.attr, + &dev_attr_fifo.attr, + &dev_attr_period.attr, + &dev_attr_pps_enable.attr, + NULL +}; + +static umode_t ptp_is_attribute_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + struct device *dev = kobj_to_dev(kobj); + struct ptp_clock *ptp = dev_get_drvdata(dev); + struct ptp_clock_info *info = ptp->info; + umode_t mode = attr->mode; + + if (attr == &dev_attr_extts_enable.attr || + attr == &dev_attr_fifo.attr) { + if (!info->n_ext_ts) + mode = 0; + } else if (attr == &dev_attr_period.attr) { + if (!info->n_per_out) + mode = 0; + } else if (attr == &dev_attr_pps_enable.attr) { + if (!info->pps) + mode = 0; + } + + return mode; +} + +static const struct attribute_group ptp_group = { + .is_visible = ptp_is_attribute_visible, + .attrs = ptp_attrs, +}; + +const struct attribute_group *ptp_groups[] = { + &ptp_group, + NULL +}; static int ptp_pin_name2index(struct ptp_clock *ptp, const char *name) { @@ -235,40 +268,14 @@ static ssize_t ptp_pin_store(struct device *dev, struct device_attribute *attr, return count; } -static DEVICE_ATTR(extts_enable, 0220, NULL, extts_enable_store); -static DEVICE_ATTR(fifo, 0444, extts_fifo_show, NULL); -static DEVICE_ATTR(period, 0220, NULL, period_store); -static DEVICE_ATTR(pps_enable, 0220, NULL, pps_enable_store); - -int ptp_cleanup_sysfs(struct ptp_clock *ptp) +int ptp_populate_pin_groups(struct ptp_clock *ptp) { - struct device *dev = ptp->dev; - struct ptp_clock_info *info = ptp->info; - - if (info->n_ext_ts) { - device_remove_file(dev, &dev_attr_extts_enable); - device_remove_file(dev, &dev_attr_fifo); - } - if (info->n_per_out) - device_remove_file(dev, &dev_attr_period); - - if (info->pps) - device_remove_file(dev, &dev_attr_pps_enable); - - if (info->n_pins) { - sysfs_remove_group(&dev->kobj, &ptp->pin_attr_group); - kfree(ptp->pin_attr); - kfree(ptp->pin_dev_attr); - } - return 0; -} - -static int ptp_populate_pins(struct ptp_clock *ptp) -{ - struct device *dev = ptp->dev; struct ptp_clock_info *info = ptp->info; int err = -ENOMEM, i, n_pins = info->n_pins; + if (!n_pins) + return 0; + ptp->pin_dev_attr = kzalloc(n_pins * sizeof(*ptp->pin_dev_attr), GFP_KERNEL); if (!ptp->pin_dev_attr) @@ -292,61 +299,18 @@ static int ptp_populate_pins(struct ptp_clock *ptp) ptp->pin_attr_group.name = "pins"; ptp->pin_attr_group.attrs = ptp->pin_attr; - err = sysfs_create_group(&dev->kobj, &ptp->pin_attr_group); - if (err) - goto no_group; + ptp->pin_attr_groups[0] = &ptp->pin_attr_group; + return 0; -no_group: - kfree(ptp->pin_attr); no_pin_attr: kfree(ptp->pin_dev_attr); no_dev_attr: return err; } -int ptp_populate_sysfs(struct ptp_clock *ptp) +void ptp_cleanup_pin_groups(struct ptp_clock *ptp) { - struct device *dev = ptp->dev; - struct ptp_clock_info *info = ptp->info; - int err; - - if (info->n_ext_ts) { - err = device_create_file(dev, &dev_attr_extts_enable); - if (err) - goto out1; - err = device_create_file(dev, &dev_attr_fifo); - if (err) - goto out2; - } - if (info->n_per_out) { - err = device_create_file(dev, &dev_attr_period); - if (err) - goto out3; - } - if (info->pps) { - err = device_create_file(dev, &dev_attr_pps_enable); - if (err) - goto out4; - } - if (info->n_pins) { - err = ptp_populate_pins(ptp); - if (err) - goto out5; - } - return 0; -out5: - if (info->pps) - device_remove_file(dev, &dev_attr_pps_enable); -out4: - if (info->n_per_out) - device_remove_file(dev, &dev_attr_period); -out3: - if (info->n_ext_ts) - device_remove_file(dev, &dev_attr_fifo); -out2: - if (info->n_ext_ts) - device_remove_file(dev, &dev_attr_extts_enable); -out1: - return err; + kfree(ptp->pin_attr); + kfree(ptp->pin_dev_attr); } diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index b4c7f956b6fa..388a9fa5c1d2 100644 --- a/drivers/pwm/pwm-bcm2835.c +++ b/drivers/pwm/pwm-bcm2835.c @@ -160,6 +160,7 @@ static int bcm2835_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &bcm2835_pwm_ops; + pc->chip.base = -1; pc->chip.npwm = 2; platform_set_drvdata(pdev, pc); diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index 7225ac6b3df5..fad968eb75f6 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -392,7 +392,7 @@ static const struct regmap_config fsl_pwm_regmap_config = { .max_register = FTM_PWMLOAD, .volatile_reg = fsl_pwm_volatile_reg, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_FLAT, }; static int fsl_pwm_probe(struct platform_device *pdev) diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 6e99a63ffa29..df0723df1f99 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -232,24 +232,28 @@ static int rcar_pwm_probe(struct platform_device *pdev) rcar_pwm->chip.base = -1; rcar_pwm->chip.npwm = 1; + pm_runtime_enable(&pdev->dev); + ret = pwmchip_add(&rcar_pwm->chip); if (ret < 0) { dev_err(&pdev->dev, "failed to register PWM chip: %d\n", ret); + pm_runtime_disable(&pdev->dev); return ret; } - pm_runtime_enable(&pdev->dev); - return 0; } static int rcar_pwm_remove(struct platform_device *pdev) { struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev); + int ret; + + ret = pwmchip_remove(&rcar_pwm->chip); pm_runtime_disable(&pdev->dev); - return pwmchip_remove(&rcar_pwm->chip); + return ret; } static const struct of_device_id rcar_pwm_of_table[] = { diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c index 075c1a764ba2..6247a956cc08 100644 --- a/drivers/pwm/pwm-renesas-tpu.c +++ b/drivers/pwm/pwm-renesas-tpu.c @@ -423,16 +423,17 @@ static int tpu_probe(struct platform_device *pdev) tpu->chip.base = -1; tpu->chip.npwm = TPU_CHANNEL_MAX; + pm_runtime_enable(&pdev->dev); + ret = pwmchip_add(&tpu->chip); if (ret < 0) { dev_err(&pdev->dev, "failed to register PWM chip\n"); + pm_runtime_disable(&pdev->dev); return ret; } dev_info(&pdev->dev, "TPU PWM %d registered\n", tpu->pdev->id); - pm_runtime_enable(&pdev->dev); - return 0; } @@ -442,12 +443,10 @@ static int tpu_remove(struct platform_device *pdev) int ret; ret = pwmchip_remove(&tpu->chip); - if (ret) - return ret; pm_runtime_disable(&pdev->dev); - return 0; + return ret; } #ifdef CONFIG_OF diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig index 3e3be57e9a1a..4d0c1a40a6e6 100644 --- a/drivers/rapidio/Kconfig +++ b/drivers/rapidio/Kconfig @@ -25,7 +25,7 @@ config RAPIDIO_ENABLE_RX_TX_PORTS config RAPIDIO_DMA_ENGINE bool "DMA Engine support for RapidIO" depends on RAPIDIO - select DMADEVICES + depends on DMADEVICES select DMA_ENGINE help Say Y here if you want to use DMA Engine frameork for RapidIO data diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index f9b8c44677eb..fbf16603c494 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1057,18 +1057,18 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = machine_constraints_voltage(rdev, rdev->constraints); if (ret != 0) - goto out; + return ret; ret = machine_constraints_current(rdev, rdev->constraints); if (ret != 0) - goto out; + return ret; if (rdev->constraints->ilim_uA && ops->set_input_current_limit) { ret = ops->set_input_current_limit(rdev, rdev->constraints->ilim_uA); if (ret < 0) { rdev_err(rdev, "failed to set input limit\n"); - goto out; + return ret; } } @@ -1077,21 +1077,20 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = suspend_prepare(rdev, rdev->constraints->initial_state); if (ret < 0) { rdev_err(rdev, "failed to set suspend state\n"); - goto out; + return ret; } } if (rdev->constraints->initial_mode) { if (!ops->set_mode) { rdev_err(rdev, "no set_mode operation\n"); - ret = -EINVAL; - goto out; + return -EINVAL; } ret = ops->set_mode(rdev, rdev->constraints->initial_mode); if (ret < 0) { rdev_err(rdev, "failed to set initial mode: %d\n", ret); - goto out; + return ret; } } @@ -1102,7 +1101,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = _regulator_do_enable(rdev); if (ret < 0 && ret != -EINVAL) { rdev_err(rdev, "failed to enable\n"); - goto out; + return ret; } } @@ -1111,7 +1110,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); if (ret < 0) { rdev_err(rdev, "failed to set ramp_delay\n"); - goto out; + return ret; } } @@ -1119,7 +1118,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = ops->set_pull_down(rdev); if (ret < 0) { rdev_err(rdev, "failed to set pull down\n"); - goto out; + return ret; } } @@ -1127,7 +1126,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = ops->set_soft_start(rdev); if (ret < 0) { rdev_err(rdev, "failed to set soft start\n"); - goto out; + return ret; } } @@ -1136,16 +1135,12 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = ops->set_over_current_protection(rdev); if (ret < 0) { rdev_err(rdev, "failed to set over current protection\n"); - goto out; + return ret; } } print_constraints(rdev); return 0; -out: - kfree(rdev->constraints); - rdev->constraints = NULL; - return ret; } /** @@ -3983,7 +3978,7 @@ unset_supplies: scrub: regulator_ena_gpio_free(rdev); - kfree(rdev->constraints); + wash: device_unregister(&rdev->dev); /* device core frees rdev */ diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 153c7b0f763a..c2daf11c9d12 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -288,7 +288,7 @@ void rproc_free_vring(struct rproc_vring *rvring) { int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align)); struct rproc *rproc = rvring->rvdev->rproc; - int idx = rvring->rvdev->vring - rvring; + int idx = rvring - rvring->rvdev->vring; struct fw_rsc_vdev *rsc; dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 8ecc956ecb59..370a3a2c6de7 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -529,6 +529,11 @@ static int slow_eval_known_fn(struct subchannel *sch, void *data) rc = css_evaluate_known_subchannel(sch, 1); if (rc == -EAGAIN) css_schedule_eval(sch->schid); + /* + * The loop might take long time for platforms with lots of + * known devices. Allow scheduling here. + */ + cond_resched(); } return 0; } diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 6aae68412802..2389a1dc6d30 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -872,8 +872,10 @@ static void io_subchannel_register(struct ccw_device *cdev) * Now we know this subchannel will stay, we can throw * our delayed uevent. */ - dev_set_uevent_suppress(&sch->dev, 0); - kobject_uevent(&sch->dev.kobj, KOBJ_ADD); + if (dev_get_uevent_suppress(&sch->dev)) { + dev_set_uevent_suppress(&sch->dev, 0); + kobject_uevent(&sch->dev.kobj, KOBJ_ADD); + } /* make it known to the system */ ret = ccw_device_add(cdev); if (ret) { @@ -1082,8 +1084,11 @@ static int io_subchannel_probe(struct subchannel *sch) * Throw the delayed uevent for the subchannel, register * the ccw_device and exit. */ - dev_set_uevent_suppress(&sch->dev, 0); - kobject_uevent(&sch->dev.kobj, KOBJ_ADD); + if (dev_get_uevent_suppress(&sch->dev)) { + /* should always be the case for the console */ + dev_set_uevent_suppress(&sch->dev, 0); + kobject_uevent(&sch->dev.kobj, KOBJ_ADD); + } cdev = sch_get_cdev(sch); rc = ccw_device_add(cdev); if (rc) { diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 7e70f9298cc1..11f6ebd04545 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -376,7 +376,6 @@ static inline int multicast_outbound(struct qdio_q *q) extern u64 last_ai_time; /* prototypes for thin interrupt */ -void qdio_setup_thinint(struct qdio_irq *irq_ptr); int qdio_establish_thinint(struct qdio_irq *irq_ptr); void qdio_shutdown_thinint(struct qdio_irq *irq_ptr); void tiqdio_add_input_queues(struct qdio_irq *irq_ptr); diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index d0090c5c88e7..a64615a10352 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -479,7 +479,6 @@ int qdio_setup_irq(struct qdio_initialize *init_data) setup_queues(irq_ptr, init_data); setup_qib(irq_ptr, init_data); - qdio_setup_thinint(irq_ptr); set_impl_params(irq_ptr, init_data->qib_param_field_format, init_data->qib_param_field, init_data->input_slib_elements, diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index debe69adfc70..aecb6445a567 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -268,17 +268,19 @@ int __init tiqdio_register_thinints(void) int qdio_establish_thinint(struct qdio_irq *irq_ptr) { + int rc; + if (!is_thinint_irq(irq_ptr)) return 0; - return set_subchannel_ind(irq_ptr, 0); -} -void qdio_setup_thinint(struct qdio_irq *irq_ptr) -{ - if (!is_thinint_irq(irq_ptr)) - return; irq_ptr->dsci = get_indicator(); DBF_HEX(&irq_ptr->dsci, sizeof(void *)); + + rc = set_subchannel_ind(irq_ptr, 0); + if (rc) + put_indicator(irq_ptr->dsci); + + return rc; } void qdio_shutdown_thinint(struct qdio_irq *irq_ptr) diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 97211f7f0cf0..ed4b0f6e2d6a 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1669,6 +1669,10 @@ static void qeth_bridge_state_change(struct qeth_card *card, int extrasize; QETH_CARD_TEXT(card, 2, "brstchng"); + if (qports->num_entries == 0) { + QETH_CARD_TEXT(card, 2, "BPempty"); + return; + } if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); return; diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index a3aaef4c53a3..0d2bcb33697f 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -1594,6 +1594,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port) { struct zfcp_qdio *qdio = wka_port->adapter->qdio; struct zfcp_fsf_req *req; + unsigned long req_id = 0; int retval = -EIO; spin_lock_irq(&qdio->req_q_lock); @@ -1616,6 +1617,8 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port) hton24(req->qtcb->bottom.support.d_id, wka_port->d_id); req->data = wka_port; + req_id = req->req_id; + zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); if (retval) @@ -1623,7 +1626,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port) out: spin_unlock_irq(&qdio->req_q_lock); if (!retval) - zfcp_dbf_rec_run_wka("fsowp_1", wka_port, req->req_id); + zfcp_dbf_rec_run_wka("fsowp_1", wka_port, req_id); return retval; } @@ -1649,6 +1652,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port) { struct zfcp_qdio *qdio = wka_port->adapter->qdio; struct zfcp_fsf_req *req; + unsigned long req_id = 0; int retval = -EIO; spin_lock_irq(&qdio->req_q_lock); @@ -1671,6 +1675,8 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port) req->data = wka_port; req->qtcb->header.port_handle = wka_port->handle; + req_id = req->req_id; + zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); if (retval) @@ -1678,7 +1684,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port) out: spin_unlock_irq(&qdio->req_q_lock); if (!retval) - zfcp_dbf_rec_run_wka("fscwp_1", wka_port, req->req_id); + zfcp_dbf_rec_run_wka("fscwp_1", wka_port, req_id); return retval; } diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index deaaf84989cd..be595add8026 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2912,8 +2912,10 @@ static int acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id) ashost->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); ashost->fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); - if (!ashost->base || !ashost->fast) + if (!ashost->base || !ashost->fast) { + ret = -ENOMEM; goto out_put; + } host->irq = ec->irq; ashost->host = host; diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index faa1bee07c8a..0c83a155ceeb 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -454,7 +454,7 @@ static int cumanascsi2_probe(struct expansion_card *ec, if (info->info.scsi.dma != NO_DMA) free_dma(info->info.scsi.dma); - free_irq(ec->irq, host); + free_irq(ec->irq, info); out_release: fas216_release(host); diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index a8ad6880dd91..cf01442d9136 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -575,7 +575,7 @@ static int eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id) if (info->info.scsi.dma != NO_DMA) free_dma(info->info.scsi.dma); - free_irq(ec->irq, host); + free_irq(ec->irq, info); out_remove: fas216_remove(host); diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 5e1b73e1b743..b6724ba9b36e 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -382,7 +382,7 @@ static int powertecscsi_probe(struct expansion_card *ec, if (info->info.scsi.dma != NO_DMA) free_dma(info->info.scsi.dma); - free_irq(ec->irq, host); + free_irq(ec->irq, info); out_release: fas216_release(host); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 5eaf14c15590..59cb3af9a318 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -692,6 +692,7 @@ static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr, { struct flowi6 fl; + memset(&fl, 0, sizeof(fl)); if (saddr) memcpy(&fl.saddr, saddr, sizeof(struct in6_addr)); if (daddr) diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index 3bc610d160f5..53afdbe17d71 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -264,9 +264,9 @@ static void fcoe_sysfs_fcf_del(struct fcoe_fcf *new) WARN_ON(!fcf_dev); new->fcf_dev = NULL; fcoe_fcf_device_delete(fcf_dev); - kfree(new); mutex_unlock(&cdev->lock); } + kfree(new); } /** diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index e26747a1b35a..e7075aae15da 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -427,6 +427,8 @@ static int ibmvscsi_reenable_crq_queue(struct crq_queue *queue, int rc = 0; struct vio_dev *vdev = to_vio_dev(hostdata->dev); + set_adapter_info(hostdata); + /* Re-enable the CRQ */ do { if (rc) diff --git a/drivers/scsi/iscsi_boot_sysfs.c b/drivers/scsi/iscsi_boot_sysfs.c index 680bf6f0ce76..476f46aad54c 100644 --- a/drivers/scsi/iscsi_boot_sysfs.c +++ b/drivers/scsi/iscsi_boot_sysfs.c @@ -319,7 +319,7 @@ iscsi_boot_create_kobj(struct iscsi_boot_kset *boot_kset, boot_kobj->kobj.kset = boot_kset->kset; if (kobject_init_and_add(&boot_kobj->kobj, &iscsi_boot_ktype, NULL, name, index)) { - kfree(boot_kobj); + kobject_put(&boot_kobj->kobj); return NULL; } boot_kobj->data = data; diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 880a9068ca12..ef06af4e3611 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -595,8 +595,12 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, mutex_lock(&disc->disc_mutex); if (PTR_ERR(fp) == -FC_EX_CLOSED) goto out; - if (IS_ERR(fp)) - goto redisc; + if (IS_ERR(fp)) { + mutex_lock(&disc->disc_mutex); + fc_disc_restart(disc); + mutex_unlock(&disc->disc_mutex); + goto out; + } cp = fc_frame_payload_get(fp, sizeof(*cp)); if (!cp) @@ -621,7 +625,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, new_rdata->disc_id = disc->disc_id; lport->tt.rport_login(new_rdata); } - goto out; + goto free_fp; } rdata->disc_id = disc->disc_id; lport->tt.rport_login(rdata); @@ -635,6 +639,8 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, redisc: fc_disc_restart(disc); } +free_fp: + fc_frame_free(fp); out: mutex_unlock(&disc->disc_mutex); kref_put(&rdata->kref, lport->tt.rport_destroy); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 0fdc8c417035..b4fbcf4cade8 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1982,7 +1982,7 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc); - spin_lock(&session->frwd_lock); + spin_lock_bh(&session->frwd_lock); task = (struct iscsi_task *)sc->SCp.ptr; if (!task) { /* @@ -2109,7 +2109,7 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) done: if (task) task->last_timeout = jiffies; - spin_unlock(&session->frwd_lock); + spin_unlock_bh(&session->frwd_lock); ISCSI_DBG_EH(session, "return %s\n", rc == BLK_EH_RESET_TIMER ? "timer reset" : "shutdown or nh"); return rc; diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 6f5e2720ffad..68b33abeaa5f 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -224,7 +224,10 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->num_scatter = si; } - task->data_dir = qc->dma_dir; + if (qc->tf.protocol == ATA_PROT_NODATA) + task->data_dir = DMA_NONE; + else + task->data_dir = qc->dma_dir; task->scatter = qc->sg; task->ata_task.retry_count = 1; task->task_state_flags = SAS_TASK_STATE_PENDING; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 530b7df21322..5be938b47f48 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3841,7 +3841,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, out: if (ndlp && NLP_CHK_NODE_ACT(ndlp) && shost) { spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); + if (mbox) + ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; + ndlp->nlp_flag &= ~NLP_RM_DFLT_RPI; spin_unlock_irq(shost->host_lock); /* If the node is not being used by another discovery thread, @@ -7315,6 +7317,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, spin_lock_irq(shost->host_lock); if (ndlp->nlp_flag & NLP_IN_DEV_LOSS) { spin_unlock_irq(shost->host_lock); + if (newnode) + lpfc_nlp_put(ndlp); goto dropit; } spin_unlock_irq(shost->host_lock); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 065fdc17bbfb..7a94c2d35239 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2186,6 +2186,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) !pmb->u.mb.mbxStatus) { rpi = pmb->u.mb.un.varWords[0]; vpi = pmb->u.mb.un.varRegLogin.vpi; + if (phba->sli_rev == LPFC_SLI_REV4) + vpi -= phba->sli4_hba.max_cfg_param.vpi_base; lpfc_unreg_login(phba, vpi, rpi, pmb); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 861c57bc4520..72248712949e 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -615,27 +615,16 @@ lpfc_vport_delete(struct fc_vport *fc_vport) vport->port_state < LPFC_VPORT_READY) return -EAGAIN; } + /* - * This is a bit of a mess. We want to ensure the shost doesn't get - * torn down until we're done with the embedded lpfc_vport structure. - * - * Beyond holding a reference for this function, we also need a - * reference for outstanding I/O requests we schedule during delete - * processing. But once we scsi_remove_host() we can no longer obtain - * a reference through scsi_host_get(). - * - * So we take two references here. We release one reference at the - * bottom of the function -- after delinking the vport. And we - * release the other at the completion of the unreg_vpi that get's - * initiated after we've disposed of all other resources associated - * with the port. + * Take early refcount for outstanding I/O requests we schedule during + * delete processing for unreg_vpi. Always keep this before + * scsi_remove_host() as we can no longer obtain a reference through + * scsi_host_get() after scsi_host_remove as shost is set to SHOST_DEL. */ if (!scsi_host_get(shost)) return VPORT_INVAL; - if (!scsi_host_get(shost)) { - scsi_host_put(shost); - return VPORT_INVAL; - } + lpfc_free_sysfs_attr(vport); lpfc_debugfs_terminate(vport); @@ -783,8 +772,9 @@ skip_logo: if (!(vport->vpi_state & LPFC_VPI_REGISTERED) || lpfc_mbx_unreg_vpi(vport)) scsi_host_put(shost); - } else + } else { scsi_host_put(shost); + } lpfc_free_vpi(phba, vport->vpi); vport->work_port_events = 0; diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 555367f00228..18ed4b44bc51 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1044,6 +1044,8 @@ static void handle_error(struct mesh_state *ms) while ((in_8(&mr->bus_status1) & BS1_RST) != 0) udelay(1); printk("done\n"); + if (ms->dma_started) + halt_dma(ms); handle_reset(ms); /* request_q is empty, no point in mesh_start() */ return; @@ -1356,7 +1358,8 @@ static void halt_dma(struct mesh_state *ms) ms->conn_tgt, ms->data_ptr, scsi_bufflen(cmd), ms->tgts[ms->conn_tgt].data_goes_out); } - scsi_dma_unmap(cmd); + if (cmd) + scsi_dma_unmap(cmd); ms->dma_started = 0; } @@ -1711,6 +1714,9 @@ static int mesh_host_reset(struct scsi_cmnd *cmd) spin_lock_irqsave(ms->host->host_lock, flags); + if (ms->dma_started) + halt_dma(ms); + /* Reset the controller & dbdma channel */ out_le32(&md->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* stop dma */ out_8(&mr->exception, 0xff); /* clear all exception bits */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 7af7a0859478..8d52afd1f71d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3136,7 +3136,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->scsi_lookup = NULL; } kfree(ioc->hpr_lookup); + ioc->hpr_lookup = NULL; kfree(ioc->internal_lookup); + ioc->internal_lookup = NULL; if (ioc->chain_lookup) { for (i = 0; i < ioc->chain_depth; i++) { if (ioc->chain_lookup[i].chain_buffer) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 3862d8b1defe..ee6c941123e1 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -792,7 +792,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) - return res; + goto ex_err; ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_dev; ccb->ccb_tag = ccb_tag; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 41a646696bab..0772804dbc27 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -364,8 +364,8 @@ qla24xx_abort_sp_done(void *data, void *ptr, int res) srb_t *sp = (srb_t *)ptr; struct srb_iocb *abt = &sp->u.iocb_cmd; - del_timer(&sp->u.iocb_cmd.timer); - complete(&abt->u.abt.comp); + if (del_timer(&sp->u.iocb_cmd.timer)) + complete(&abt->u.abt.comp); } static int diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index b1233ce6cb47..1cef25ea0da1 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -827,6 +827,7 @@ static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item, atomic_set(&tpg->lport_tpg_enabled, 0); qlt_stop_phase1(vha->vha_tgt.qla_tgt); + qlt_stop_phase2(vha->vha_tgt.qla_tgt); } return count; @@ -990,6 +991,7 @@ static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item, atomic_set(&tpg->lport_tpg_enabled, 0); qlt_stop_phase1(vha->vha_tgt.qla_tgt); + qlt_stop_phase2(vha->vha_tgt.qla_tgt); } return count; diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 75f2179860a7..3a9b6b61607e 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -386,8 +386,8 @@ EXPORT_SYMBOL(scsi_dev_info_list_add_keyed); /** * scsi_dev_info_list_find - find a matching dev_info list entry. - * @vendor: vendor string - * @model: model (product) string + * @vendor: full vendor string + * @model: full model (product) string * @key: specify list to use * * Description: @@ -402,7 +402,7 @@ static struct scsi_dev_info_list *scsi_dev_info_list_find(const char *vendor, struct scsi_dev_info_list *devinfo; struct scsi_dev_info_list_table *devinfo_table = scsi_devinfo_lookup_by_key(key); - size_t vmax, mmax; + size_t vmax, mmax, mlen; const char *vskip, *mskip; if (IS_ERR(devinfo_table)) @@ -441,15 +441,19 @@ static struct scsi_dev_info_list *scsi_dev_info_list_find(const char *vendor, dev_info_list) { if (devinfo->compatible) { /* - * Behave like the older version of get_device_flags. + * vendor strings must be an exact match */ - if (memcmp(devinfo->vendor, vskip, vmax) || - (vmax < sizeof(devinfo->vendor) && - devinfo->vendor[vmax])) + if (vmax != strnlen(devinfo->vendor, + sizeof(devinfo->vendor)) || + memcmp(devinfo->vendor, vskip, vmax)) continue; - if (memcmp(devinfo->model, mskip, mmax) || - (mmax < sizeof(devinfo->model) && - devinfo->model[mmax])) + + /* + * @model specifies the full string, and + * must be larger or equal to devinfo->model + */ + mlen = strnlen(devinfo->model, sizeof(devinfo->model)); + if (mmax < mlen || memcmp(devinfo->model, mskip, mlen)) continue; return devinfo; } else { diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 887045ae5d10..269198b46adb 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1118,10 +1118,10 @@ int scsi_init_io(struct scsi_cmnd *cmd) struct scsi_device *sdev = cmd->device; struct request *rq = cmd->request; bool is_mq = (rq->mq_ctx != NULL); - int error; + int error = BLKPREP_KILL; if (WARN_ON_ONCE(!rq->nr_phys_segments)) - return -EINVAL; + goto err_exit; error = scsi_init_sgtable(rq, &cmd->sdb); if (error) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 20cf01d6ded7..490364031648 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2014,7 +2014,7 @@ static void __iscsi_unbind_session(struct work_struct *work) if (session->target_id == ISCSI_MAX_TARGET) { spin_unlock_irqrestore(&session->lock, flags); mutex_unlock(&ihost->mutex); - return; + goto unbind_session_exit; } target_id = session->target_id; @@ -2026,6 +2026,8 @@ static void __iscsi_unbind_session(struct work_struct *work) ida_simple_remove(&iscsi_sess_ida, target_id); scsi_remove_target(&session->dev); + +unbind_session_exit: iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION); ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n"); } @@ -3190,7 +3192,7 @@ static int iscsi_set_flashnode_param(struct iscsi_transport *transport, pr_err("%s could not find host no %u\n", __func__, ev->u.set_flashnode.host_no); err = -ENODEV; - goto put_host; + goto exit_set_fnode; } idx = ev->u.set_flashnode.flashnode_idx; diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 319868f3f674..083cd11ce7d7 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -353,7 +353,7 @@ store_spi_transport_##field(struct device *dev, \ struct spi_transport_attrs *tp \ = (struct spi_transport_attrs *)&starget->starget_data; \ \ - if (i->f->set_##field) \ + if (!i->f->set_##field) \ return -EINVAL; \ val = simple_strtoul(buf, NULL, 0); \ if (val > tp->max_##field) \ diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 63e21ca538f1..f5c66caad56b 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -706,8 +706,10 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) hp->flags = input_size; /* structure abuse ... */ hp->pack_id = old_hdr.pack_id; hp->usr_ptr = NULL; - if (__copy_from_user(cmnd, buf, cmd_size)) + if (__copy_from_user(cmnd, buf, cmd_size)) { + sg_remove_request(sfp, srp); return -EFAULT; + } /* * SG_DXFER_TO_FROM_DEV is functionally equivalent to SG_DXFER_FROM_DEV, * but is is possible that the app intended SG_DXFER_TO_DEV, because there diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 5dc288fecace..7dd4d9ded249 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -746,7 +746,7 @@ static int sr_probe(struct device *dev) cd->cdi.disk = disk; if (register_cdrom(&cd->cdi)) - goto fail_put; + goto fail_minor; /* * Initialize block layer runtime PM stuffs before the @@ -764,6 +764,10 @@ static int sr_probe(struct device *dev) return 0; +fail_minor: + spin_lock(&sr_index_lock); + clear_bit(minor, sr_index_bits); + spin_unlock(&sr_index_lock); fail_put: put_disk(disk); fail_free: diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index bc7f8d634c80..d7a0a64f6453 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -575,6 +575,7 @@ unblock_reqs: int ufshcd_hold(struct ufs_hba *hba, bool async) { int rc = 0; + bool flush_result; unsigned long flags; if (!ufshcd_is_clkgating_allowed(hba)) @@ -601,7 +602,9 @@ start: break; } spin_unlock_irqrestore(hba->host->host_lock, flags); - flush_work(&hba->clk_gating.ungate_work); + flush_result = flush_work(&hba->clk_gating.ungate_work); + if (hba->clk_gating.is_suspended && !flush_result) + goto out; spin_lock_irqsave(hba->host->host_lock, flags); goto start; } @@ -1374,6 +1377,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) ufshcd_compose_upiu(hba, lrbp); err = ufshcd_map_sg(lrbp); if (err) { + ufshcd_release(hba); lrbp->cmd = NULL; clear_bit_unlock(tag, &hba->lrb_in_use); goto out; diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 25daebd6f410..27680b336454 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -798,7 +798,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) goto out_clk_disable; } - err = devm_spi_register_master(&pdev->dev, master); + err = spi_register_master(master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); goto out_clk_disable; @@ -818,6 +818,8 @@ static int bcm2835_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct bcm2835_spi *bs = spi_master_get_devdata(master); + spi_unregister_master(master); + /* Clear FIFOs, and disable the HW block */ bcm2835_wr(bs, BCM2835_SPI_CS, BCM2835_SPI_CS_CLEAR_RX | BCM2835_SPI_CS_CLEAR_TX); diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c index 1cedd640705f..5ffc2765a8dd 100644 --- a/drivers/spi/spi-bcm2835aux.c +++ b/drivers/spi/spi-bcm2835aux.c @@ -457,7 +457,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) goto out_clk_disable; } - err = devm_spi_register_master(&pdev->dev, master); + err = spi_register_master(master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); goto out_clk_disable; @@ -477,6 +477,8 @@ static int bcm2835aux_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct bcm2835aux_spi *bs = spi_master_get_devdata(master); + spi_unregister_master(master); + bcm2835aux_spi_reset_hw(bs); /* disable the HW block by releasing the clock */ diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c index bb1052e748f2..14902efae621 100644 --- a/drivers/spi/spi-dw-mid.c +++ b/drivers/spi/spi-dw-mid.c @@ -155,6 +155,7 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_tx(struct dw_spi *dws, if (!xfer->tx_buf) return NULL; + memset(&txconf, 0, sizeof(txconf)); txconf.direction = DMA_MEM_TO_DEV; txconf.dst_addr = dws->dma_addr; txconf.dst_maxburst = 16; @@ -201,6 +202,7 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws, if (!xfer->rx_buf) return NULL; + memset(&rxconf, 0, sizeof(rxconf)); rxconf.direction = DMA_DEV_TO_MEM; rxconf.src_addr = dws->dma_addr; rxconf.src_maxburst = 16; @@ -226,19 +228,23 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws, static int mid_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer) { - u16 dma_ctrl = 0; + u16 imr = 0, dma_ctrl = 0; dw_writel(dws, DW_SPI_DMARDLR, 0xf); dw_writel(dws, DW_SPI_DMATDLR, 0x10); - if (xfer->tx_buf) + if (xfer->tx_buf) { dma_ctrl |= SPI_DMA_TDMAE; - if (xfer->rx_buf) + imr |= SPI_INT_TXOI; + } + if (xfer->rx_buf) { dma_ctrl |= SPI_DMA_RDMAE; + imr |= SPI_INT_RXUI | SPI_INT_RXOI; + } dw_writel(dws, DW_SPI_DMACR, dma_ctrl); /* Set the interrupt mask */ - spi_umask_intr(dws, SPI_INT_TXOI | SPI_INT_RXUI | SPI_INT_RXOI); + spi_umask_intr(dws, imr); dws->transfer_handler = dma_transfer; @@ -268,7 +274,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer) dma_async_issue_pending(dws->txchan); } - return 0; + return 1; } static void mid_spi_dma_stop(struct dw_spi *dws) diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 87a0e47eeae6..8076fa708b24 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -180,9 +180,11 @@ static inline u32 rx_max(struct dw_spi *dws) static void dw_writer(struct dw_spi *dws) { - u32 max = tx_max(dws); + u32 max; u16 txw = 0; + spin_lock(&dws->buf_lock); + max = tx_max(dws); while (max--) { /* Set the tx word if the transfer's original "tx" is not null */ if (dws->tx_end - dws->len) { @@ -194,13 +196,16 @@ static void dw_writer(struct dw_spi *dws) dw_write_io_reg(dws, DW_SPI_DR, txw); dws->tx += dws->n_bytes; } + spin_unlock(&dws->buf_lock); } static void dw_reader(struct dw_spi *dws) { - u32 max = rx_max(dws); + u32 max; u16 rxw; + spin_lock(&dws->buf_lock); + max = rx_max(dws); while (max--) { rxw = dw_read_io_reg(dws, DW_SPI_DR); /* Care rx only if the transfer's original "rx" is not null */ @@ -212,6 +217,7 @@ static void dw_reader(struct dw_spi *dws) } dws->rx += dws->n_bytes; } + spin_unlock(&dws->buf_lock); } static void int_error_stop(struct dw_spi *dws, const char *msg) @@ -284,6 +290,7 @@ static int dw_spi_transfer_one(struct spi_master *master, { struct dw_spi *dws = spi_master_get_devdata(master); struct chip_data *chip = spi_get_ctldata(spi); + unsigned long flags; u8 imask = 0; u16 txlevel = 0; u16 clk_div; @@ -291,12 +298,16 @@ static int dw_spi_transfer_one(struct spi_master *master, int ret; dws->dma_mapped = 0; - + spin_lock_irqsave(&dws->buf_lock, flags); dws->tx = (void *)transfer->tx_buf; dws->tx_end = dws->tx + transfer->len; dws->rx = transfer->rx_buf; dws->rx_end = dws->rx + transfer->len; dws->len = transfer->len; + spin_unlock_irqrestore(&dws->buf_lock, flags); + + /* Ensure dw->rx and dw->rx_end are visible */ + smp_mb(); spi_enable_chip(dws, 0); @@ -374,11 +385,8 @@ static int dw_spi_transfer_one(struct spi_master *master, spi_enable_chip(dws, 1); - if (dws->dma_mapped) { - ret = dws->dma_ops->dma_transfer(dws, transfer); - if (ret < 0) - return ret; - } + if (dws->dma_mapped) + return dws->dma_ops->dma_transfer(dws, transfer); if (chip->poll_mode) return poll_transfer(dws); @@ -488,6 +496,9 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) dws->dma_inited = 0; dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR); snprintf(dws->name, sizeof(dws->name), "dw_spi%d", dws->bus_num); + spin_lock_init(&dws->buf_lock); + + spi_master_set_devdata(master, dws); ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dws->name, master); if (ret < 0) { @@ -520,8 +531,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) } } - spi_master_set_devdata(master, dws); - ret = devm_spi_register_master(dev, master); + ret = spi_register_master(master); if (ret) { dev_err(&master->dev, "problem registering spi master\n"); goto err_dma_exit; @@ -545,6 +555,8 @@ void dw_spi_remove_host(struct dw_spi *dws) { dw_spi_debugfs_remove(dws); + spi_unregister_master(dws->master); + if (dws->dma_ops && dws->dma_ops->dma_exit) dws->dma_ops->dma_exit(dws); diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index 35589a270468..d05b216ea3f8 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -117,6 +117,7 @@ struct dw_spi { size_t len; void *tx; void *tx_end; + spinlock_t buf_lock; void *rx; void *rx_end; int dma_mapped; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 96ed01cb6489..cfcc5a9a5cc9 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1605,7 +1605,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) /* Register with the SPI framework */ platform_set_drvdata(pdev, drv_data); - status = devm_spi_register_master(&pdev->dev, master); + status = spi_register_master(master); if (status != 0) { dev_err(&pdev->dev, "problem registering spi master\n"); goto out_error_clock_enabled; @@ -1635,6 +1635,8 @@ static int pxa2xx_spi_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); + spi_unregister_master(drv_data->master); + /* Disable the SSP at the peripheral and SOC level */ pxa2xx_spi_write(drv_data, SSCR0, 0); clk_disable_unprepare(ssp->clk); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index c132c676df3a..57001f8f727a 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1917,18 +1917,17 @@ static int __unregister(struct device *dev, void *null) */ void spi_unregister_master(struct spi_master *master) { - int dummy; - if (master->queued) { if (spi_destroy_queue(master)) dev_err(&master->dev, "queue remove failed\n"); } + device_for_each_child(&master->dev, NULL, __unregister); + mutex_lock(&board_lock); list_del(&master->list); mutex_unlock(&board_lock); - dummy = device_for_each_child(&master->dev, NULL, __unregister); device_unregister(&master->dev); } EXPORT_SYMBOL_GPL(spi_unregister_master); diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 2492980f0437..e4a0ff94ab78 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -635,15 +635,20 @@ err_find_dev: static int spidev_release(struct inode *inode, struct file *filp) { struct spidev_data *spidev; + int dofree; mutex_lock(&device_list_lock); spidev = filp->private_data; filp->private_data = NULL; + spin_lock_irq(&spidev->spi_lock); + /* ... after we unbound from the underlying device? */ + dofree = (spidev->spi == NULL); + spin_unlock_irq(&spidev->spi_lock); + /* last close? */ spidev->users--; if (!spidev->users) { - int dofree; kfree(spidev->tx_buffer); spidev->tx_buffer = NULL; @@ -651,19 +656,14 @@ static int spidev_release(struct inode *inode, struct file *filp) kfree(spidev->rx_buffer); spidev->rx_buffer = NULL; - spin_lock_irq(&spidev->spi_lock); - if (spidev->spi) - spidev->speed_hz = spidev->spi->max_speed_hz; - - /* ... after we unbound from the underlying device? */ - dofree = (spidev->spi == NULL); - spin_unlock_irq(&spidev->spi_lock); - if (dofree) kfree(spidev); + else + spidev->speed_hz = spidev->spi->max_speed_hz; } #ifdef CONFIG_SPI_SLAVE - spi_slave_abort(spidev->spi); + if (!dofree) + spi_slave_abort(spidev->spi); #endif mutex_unlock(&device_list_lock); @@ -770,13 +770,13 @@ static int spidev_remove(struct spi_device *spi) { struct spidev_data *spidev = spi_get_drvdata(spi); + /* prevent new opens */ + mutex_lock(&device_list_lock); /* make sure ops on existing fds can abort cleanly */ spin_lock_irq(&spidev->spi_lock); spidev->spi = NULL; spin_unlock_irq(&spidev->spi_lock); - /* prevent new opens */ - mutex_lock(&device_list_lock); list_del(&spidev->device_entry); device_destroy(spidev_class, spidev->devt); clear_bit(MINOR(spidev->devt), minors); diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c index 13a9b4c42b26..ae08b3253c21 100644 --- a/drivers/staging/android/ion/ion_heap.c +++ b/drivers/staging/android/ion/ion_heap.c @@ -105,12 +105,12 @@ int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer, static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot) { - void *addr = vm_map_ram(pages, num, -1, pgprot); + void *addr = vmap(pages, num, VM_MAP, pgprot); if (!addr) return -ENOMEM; memset(addr, 0, PAGE_SIZE * num); - vm_unmap_ram(addr, num); + vunmap(addr); return 0; } diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index b831f08e2769..8ed4a44d3174 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2592,8 +2592,10 @@ static int comedi_open(struct inode *inode, struct file *file) } cfp = kzalloc(sizeof(*cfp), GFP_KERNEL); - if (!cfp) + if (!cfp) { + comedi_dev_put(dev); return -ENOMEM; + } cfp->dev = dev; diff --git a/drivers/staging/comedi/drivers/addi_apci_1032.c b/drivers/staging/comedi/drivers/addi_apci_1032.c index ccd1a91290bf..536a135cd00b 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1032.c +++ b/drivers/staging/comedi/drivers/addi_apci_1032.c @@ -115,14 +115,22 @@ static int apci1032_cos_insn_config(struct comedi_device *dev, unsigned int *data) { struct apci1032_private *devpriv = dev->private; - unsigned int shift, oldmask; + unsigned int shift, oldmask, himask, lomask; switch (data[0]) { case INSN_CONFIG_DIGITAL_TRIG: if (data[1] != 0) return -EINVAL; shift = data[3]; - oldmask = (1U << shift) - 1; + if (shift < 32) { + oldmask = (1U << shift) - 1; + himask = data[4] << shift; + lomask = data[5] << shift; + } else { + oldmask = 0xffffffffu; + himask = 0; + lomask = 0; + } switch (data[2]) { case COMEDI_DIGITAL_TRIG_DISABLE: devpriv->ctrl = 0; @@ -145,8 +153,8 @@ static int apci1032_cos_insn_config(struct comedi_device *dev, devpriv->mode2 &= oldmask; } /* configure specified channels */ - devpriv->mode1 |= data[4] << shift; - devpriv->mode2 |= data[5] << shift; + devpriv->mode1 |= himask; + devpriv->mode2 |= lomask; break; case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS: if (devpriv->ctrl != (APCI1032_CTRL_INT_ENA | @@ -163,8 +171,8 @@ static int apci1032_cos_insn_config(struct comedi_device *dev, devpriv->mode2 &= oldmask; } /* configure specified channels */ - devpriv->mode1 |= data[4] << shift; - devpriv->mode2 |= data[5] << shift; + devpriv->mode1 |= himask; + devpriv->mode2 |= lomask; break; default: return -EINVAL; diff --git a/drivers/staging/comedi/drivers/addi_apci_1500.c b/drivers/staging/comedi/drivers/addi_apci_1500.c index 63991c49ff23..c4e36fb6df9d 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1500.c +++ b/drivers/staging/comedi/drivers/addi_apci_1500.c @@ -461,13 +461,14 @@ static int apci1500_di_cfg_trig(struct comedi_device *dev, struct apci1500_private *devpriv = dev->private; unsigned int trig = data[1]; unsigned int shift = data[3]; - unsigned int hi_mask = data[4] << shift; - unsigned int lo_mask = data[5] << shift; - unsigned int chan_mask = hi_mask | lo_mask; - unsigned int old_mask = (1 << shift) - 1; - unsigned int pm = devpriv->pm[trig] & old_mask; - unsigned int pt = devpriv->pt[trig] & old_mask; - unsigned int pp = devpriv->pp[trig] & old_mask; + unsigned int hi_mask; + unsigned int lo_mask; + unsigned int chan_mask; + unsigned int old_mask; + unsigned int pm; + unsigned int pt; + unsigned int pp; + unsigned int invalid_chan; if (trig > 1) { dev_dbg(dev->class_dev, @@ -475,11 +476,28 @@ static int apci1500_di_cfg_trig(struct comedi_device *dev, return -EINVAL; } - if (chan_mask > 0xffff) { + if (shift <= 16) { + hi_mask = data[4] << shift; + lo_mask = data[5] << shift; + old_mask = (1U << shift) - 1; + invalid_chan = (data[4] | data[5]) >> (16 - shift); + } else { + hi_mask = 0; + lo_mask = 0; + old_mask = 0xffff; + invalid_chan = data[4] | data[5]; + } + chan_mask = hi_mask | lo_mask; + + if (invalid_chan) { dev_dbg(dev->class_dev, "invalid digital trigger channel\n"); return -EINVAL; } + pm = devpriv->pm[trig] & old_mask; + pt = devpriv->pt[trig] & old_mask; + pp = devpriv->pp[trig] & old_mask; + switch (data[2]) { case COMEDI_DIGITAL_TRIG_DISABLE: /* clear trigger configuration */ diff --git a/drivers/staging/comedi/drivers/addi_apci_1564.c b/drivers/staging/comedi/drivers/addi_apci_1564.c index f1ccfbd4c578..340e55c69263 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1564.c +++ b/drivers/staging/comedi/drivers/addi_apci_1564.c @@ -288,14 +288,22 @@ static int apci1564_cos_insn_config(struct comedi_device *dev, unsigned int *data) { struct apci1564_private *devpriv = dev->private; - unsigned int shift, oldmask; + unsigned int shift, oldmask, himask, lomask; switch (data[0]) { case INSN_CONFIG_DIGITAL_TRIG: if (data[1] != 0) return -EINVAL; shift = data[3]; - oldmask = (1U << shift) - 1; + if (shift < 32) { + oldmask = (1U << shift) - 1; + himask = data[4] << shift; + lomask = data[5] << shift; + } else { + oldmask = 0xffffffffu; + himask = 0; + lomask = 0; + } switch (data[2]) { case COMEDI_DIGITAL_TRIG_DISABLE: devpriv->ctrl = 0; @@ -319,8 +327,8 @@ static int apci1564_cos_insn_config(struct comedi_device *dev, devpriv->mode2 &= oldmask; } /* configure specified channels */ - devpriv->mode1 |= data[4] << shift; - devpriv->mode2 |= data[5] << shift; + devpriv->mode1 |= himask; + devpriv->mode2 |= lomask; break; case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS: if (devpriv->ctrl != (APCI1564_DI_IRQ_ENA | @@ -337,8 +345,8 @@ static int apci1564_cos_insn_config(struct comedi_device *dev, devpriv->mode2 &= oldmask; } /* configure specified channels */ - devpriv->mode1 |= data[4] << shift; - devpriv->mode2 |= data[5] << shift; + devpriv->mode1 |= himask; + devpriv->mode2 |= lomask; break; default: return -EINVAL; diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c index fb08569c1ac1..08d4f14a5e40 100644 --- a/drivers/staging/comedi/drivers/dt2815.c +++ b/drivers/staging/comedi/drivers/dt2815.c @@ -101,6 +101,7 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, int ret; for (i = 0; i < insn->n; i++) { + /* FIXME: lo bit 0 chooses voltage output or current output */ lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01; hi = (data[i] & 0xff0) >> 4; @@ -114,6 +115,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s, if (ret) return ret; + outb(hi, dev->iobase + DT2815_DATA); + devpriv->ao_readback[chan] = data[i]; } return i; diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c index 62a817e4cd64..5b904cf07bd1 100644 --- a/drivers/staging/comedi/drivers/ni_6527.c +++ b/drivers/staging/comedi/drivers/ni_6527.c @@ -341,7 +341,7 @@ static int ni6527_intr_insn_config(struct comedi_device *dev, case COMEDI_DIGITAL_TRIG_ENABLE_EDGES: /* check shift amount */ shift = data[3]; - if (shift >= s->n_chan) { + if (shift >= 32) { mask = 0; rising = 0; falling = 0; diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 20b878d35ea2..fc8b6f179ec6 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -56,7 +56,7 @@ static int sca3000_read_data(struct sca3000_state *st, st->tx[0] = SCA3000_READ_REG(reg_address_high); ret = spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer)); if (ret) { - dev_err(get_device(&st->us->dev), "problem reading register"); + dev_err(&st->us->dev, "problem reading register"); goto error_free_rx; } diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 8eb7179da342..4a12a3ea3f25 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -125,17 +125,24 @@ static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data) static int ad2s1210_config_read(struct ad2s1210_state *st, unsigned char address) { - struct spi_transfer xfer = { - .len = 2, - .rx_buf = st->rx, - .tx_buf = st->tx, + struct spi_transfer xfers[] = { + { + .len = 1, + .rx_buf = &st->rx[0], + .tx_buf = &st->tx[0], + .cs_change = 1, + }, { + .len = 1, + .rx_buf = &st->rx[1], + .tx_buf = &st->tx[1], + }, }; int ret = 0; ad2s1210_set_mode(MOD_CONFIG, st); st->tx[0] = address | AD2S1210_MSB_IS_HIGH; st->tx[1] = AD2S1210_REG_FAULT; - ret = spi_sync_transfer(st->sdev, &xfer, 1); + ret = spi_sync_transfer(st->sdev, xfers, 2); if (ret < 0) return ret; st->old_data = true; diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c index 534b8103ae80..ff1926ca1f96 100644 --- a/drivers/staging/media/lirc/lirc_imon.c +++ b/drivers/staging/media/lirc/lirc_imon.c @@ -885,12 +885,14 @@ static int imon_probe(struct usb_interface *interface, vendor, product, ifnum, usbdev->bus->busnum, usbdev->devnum); /* Everything went fine. Just unlock and return retval (with is 0) */ + mutex_unlock(&context->ctx_lock); goto driver_unlock; unregister_lirc: lirc_unregister_driver(driver->minor); free_tx_urb: + mutex_unlock(&context->ctx_lock); usb_free_urb(tx_urb); free_rx_urb: diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 0f6bc6b8e4c6..1e0d2a33787e 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -1050,7 +1050,7 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, spin_lock_irqsave(&priv->tx_lock, flags); - memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); + *(struct net_device **)(skb->cb) = dev; tcb_desc->bTxEnableFwCalcDur = 1; skb_push(skb, priv->ieee80211->tx_headroom); ret = rtl8192_tx(dev, skb); @@ -1092,7 +1092,7 @@ static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) static void rtl8192_tx_isr(struct urb *tx_urb) { struct sk_buff *skb = (struct sk_buff *)tx_urb->context; - struct net_device *dev = (struct net_device *)(skb->cb); + struct net_device *dev = *(struct net_device **)(skb->cb); struct r8192_priv *priv = NULL; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); u8 queue_index = tcb_desc->queue_index; diff --git a/drivers/staging/rtl8712/wifi.h b/drivers/staging/rtl8712/wifi.h index 7a352c45344f..309d45029ff6 100644 --- a/drivers/staging/rtl8712/wifi.h +++ b/drivers/staging/rtl8712/wifi.h @@ -466,7 +466,7 @@ static inline unsigned char *get_hdr_bssid(unsigned char *pframe) /* block-ack parameters */ #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C -#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 +#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 @@ -560,13 +560,6 @@ struct ieee80211_ht_addt_info { #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 -/* block-ack parameters */ -#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 -#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C -#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 -#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 -#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 - /* * A-PMDU buffer sizes * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 860e1c288ad5..75b47d61318a 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -894,6 +894,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) fix->visual = FB_VISUAL_PSEUDOCOLOR; break; case 16: + case 24: case 32: fix->visual = FB_VISUAL_TRUECOLOR; break; diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c index cb22b5efe2be..e0a19a1105bc 100644 --- a/drivers/staging/vt6656/int.c +++ b/drivers/staging/vt6656/int.c @@ -157,7 +157,8 @@ void vnt_int_process_data(struct vnt_private *priv) priv->wake_up_count = priv->hw->conf.listen_interval; - --priv->wake_up_count; + if (priv->wake_up_count) + --priv->wake_up_count; /* Turn on wake up to listen next beacon */ if (priv->wake_up_count == 1) diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 66e658810229..7c2bddd6135e 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -762,12 +762,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); - vnt_adjust_tsf(priv, conf->beacon_rate->hw_value, - conf->sync_tsf, priv->current_tsf); - vnt_mac_set_beacon_interval(priv, conf->beacon_int); vnt_reset_next_tbtt(priv, conf->beacon_int); + + vnt_adjust_tsf(priv, conf->beacon_rate->hw_value, + conf->sync_tsf, priv->current_tsf); + + vnt_update_next_tbtt(priv, + conf->sync_tsf, conf->beacon_int); } else { vnt_clear_current_tsf(priv); diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index 3903f681ef6c..2772c7179a61 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -530,13 +530,8 @@ static void hfa384x_usb_defer(struct work_struct *data) ----------------------------------------------------------------*/ void hfa384x_create(hfa384x_t *hw, struct usb_device *usb) { - memset(hw, 0, sizeof(hfa384x_t)); hw->usb = usb; - /* set up the endpoints */ - hw->endp_in = usb_rcvbulkpipe(usb, 1); - hw->endp_out = usb_sndbulkpipe(usb, 2); - /* Set up the waitq */ init_waitqueue_head(&hw->cmdq); diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c index 8abf3f87a2d5..f4276943dc97 100644 --- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -60,11 +60,16 @@ static int prism2sta_probe_usb(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *dev; - + struct usb_endpoint_descriptor *bulk_in, *bulk_out; + struct usb_host_interface *iface_desc = interface->cur_altsetting; wlandevice_t *wlandev = NULL; hfa384x_t *hw = NULL; int result = 0; + result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL); + if (result) + goto failed; + dev = interface_to_usbdev(interface); wlandev = create_wlan(); if (wlandev == NULL) { @@ -81,6 +86,8 @@ static int prism2sta_probe_usb(struct usb_interface *interface, } /* Initialize the hw data */ + hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress); + hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress); hfa384x_create(hw, dev); hw->wlandev = wlandev; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 63e54beed196..f10bcd0563c0 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1139,7 +1139,7 @@ iscsit_conn_set_transport(struct iscsi_conn *conn, struct iscsit_transport *t) } void iscsi_target_login_sess_out(struct iscsi_conn *conn, - struct iscsi_np *np, bool zero_tsih, bool new_sess) + bool zero_tsih, bool new_sess) { if (!new_sess) goto old_sess_out; @@ -1161,7 +1161,6 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn, conn->sess = NULL; old_sess_out: - iscsi_stop_login_thread_timer(np); /* * If login negotiation fails check if the Time2Retain timer * needs to be restarted. @@ -1407,8 +1406,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) new_sess_out: new_sess = true; old_sess_out: + iscsi_stop_login_thread_timer(np); tpg_np = conn->tpg_np; - iscsi_target_login_sess_out(conn, np, zero_tsih, new_sess); + iscsi_target_login_sess_out(conn, zero_tsih, new_sess); new_sess = false; if (tpg) { diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h index b597aa2c61a1..e9daabbb4f54 100644 --- a/drivers/target/iscsi/iscsi_target_login.h +++ b/drivers/target/iscsi/iscsi_target_login.h @@ -14,8 +14,7 @@ extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32); extern void iscsit_free_conn(struct iscsi_np *, struct iscsi_conn *); extern int iscsit_start_kthreads(struct iscsi_conn *); extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); -extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *, - bool, bool); +extern void iscsi_target_login_sess_out(struct iscsi_conn *, bool, bool); extern int iscsi_target_login_thread(void *); #endif /*** ISCSI_TARGET_LOGIN_H ***/ diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 58c629aec73c..31c3e37c41e5 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -547,12 +547,11 @@ static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned in static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login) { - struct iscsi_np *np = login->np; bool zero_tsih = login->zero_tsih; iscsi_remove_failed_auth_entry(conn); iscsi_target_nego_release(conn); - iscsi_target_login_sess_out(conn, np, zero_tsih, true); + iscsi_target_login_sess_out(conn, zero_tsih, true); } static void iscsi_target_login_timeout(unsigned long data) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index b9b9ffde4c7a..d2ceefe4a076 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1980,14 +1980,14 @@ static ssize_t target_dev_lba_map_store(struct config_item *item, struct se_device *dev = to_device(item); struct t10_alua_lba_map *lba_map = NULL; struct list_head lba_list; - char *map_entries, *ptr; + char *map_entries, *orig, *ptr; char state; int pg_num = -1, pg; int ret = 0, num = 0, pg_id, alua_state; unsigned long start_lba = -1, end_lba = -1; unsigned long segment_size = -1, segment_mult = -1; - map_entries = kstrdup(page, GFP_KERNEL); + orig = map_entries = kstrdup(page, GFP_KERNEL); if (!map_entries) return -ENOMEM; @@ -2085,7 +2085,7 @@ out: } else core_alua_set_lba_map(dev, &lba_list, segment_size, segment_mult); - kfree(map_entries); + kfree(orig); return count; } diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 6e75095af681..2ecb2f7042a1 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -75,7 +75,7 @@ static int fc_get_pr_transport_id( * encoded TransportID. */ ptr = &se_nacl->initiatorname[0]; - for (i = 0; i < 24; ) { + for (i = 0; i < 23; ) { if (!strncmp(&ptr[i], ":", 1)) { i++; continue; diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c43c942e1f87..bccde58bc5e3 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -590,7 +590,14 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) struct tcmu_cmd_entry *entry = (void *) mb + CMDR_OFF + udev->cmdr_last_cleaned; struct tcmu_cmd *cmd; - tcmu_flush_dcache_range(entry, sizeof(*entry)); + /* + * Flush max. up to end of cmd ring since current entry might + * be a padding that is shorter than sizeof(*entry) + */ + size_t ring_left = head_to_end(udev->cmdr_last_cleaned, + udev->cmdr_size); + tcmu_flush_dcache_range(entry, ring_left < sizeof(*entry) ? + ring_left : sizeof(*entry)); if (tcmu_hdr_get_op(entry->hdr.len_op) == TCMU_OP_PAD) { UPDATE_HEAD(udev->cmdr_last_cleaned, diff --git a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c index d255d33da9eb..02e71d461d5c 100644 --- a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c +++ b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c @@ -49,20 +49,21 @@ static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { /* * Temperature values in milli degree celsius - * ADC code values from 530 to 923 + * ADC code values from 13 to 107, see TRM + * "18.4.10.2.3 ADC Codes Versus Temperature". */ static const int omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { - -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000, - -20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000, - -5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000, - 13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000, - 32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000, - 48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000, - 66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000, - 83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000, - 100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000, - 117000, 118000, 120000, 122000, 123000, + -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, + -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000, + -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, + 12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, + 30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000, + 47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000, + 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000, + 82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000, + 98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000, + 115000, 117000, 118500, 120000, 122000, 123500, 125000, }; /* OMAP4430 data */ diff --git a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h index 6f2de3a3356d..86850082b24b 100644 --- a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h +++ b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h @@ -67,9 +67,13 @@ * and thresholds for OMAP4430. */ -/* ADC conversion table limits */ -#define OMAP4430_ADC_START_VALUE 0 -#define OMAP4430_ADC_END_VALUE 127 +/* + * ADC conversion table limits. Ignore values outside the TRM listed + * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter + * "18.4.10.2.3 ADC Codes Versus Temperature". + */ +#define OMAP4430_ADC_START_VALUE 13 +#define OMAP4430_ADC_END_VALUE 107 /* bandgap clock limits (no control on 4430) */ #define OMAP4430_MAX_FREQ 32768 #define OMAP4430_MIN_FREQ 32768 diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index e46d628998f5..81f23af8beca 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -89,6 +89,8 @@ static LIST_HEAD(hvc_structs); */ static DEFINE_SPINLOCK(hvc_structs_lock); +/* Mutex to serialize hvc_open */ +static DEFINE_MUTEX(hvc_open_mutex); /* * This value is used to assign a tty->index value to a hvc_struct based * upon order of exposure via hvc_probe(), when we can not match it to @@ -289,10 +291,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops) vtermnos[index] = vtermno; cons_ops[index] = ops; - /* reserve all indices up to and including this index */ - if (last_hvc < index) - last_hvc = index; - /* check if we need to re-register the kernel console */ hvc_check_console(index); @@ -337,16 +335,24 @@ static int hvc_install(struct tty_driver *driver, struct tty_struct *tty) */ static int hvc_open(struct tty_struct *tty, struct file * filp) { - struct hvc_struct *hp = tty->driver_data; + struct hvc_struct *hp; unsigned long flags; int rc = 0; + mutex_lock(&hvc_open_mutex); + + hp = tty->driver_data; + if (!hp) { + rc = -EIO; + goto out; + } + spin_lock_irqsave(&hp->port.lock, flags); /* Check and then increment for fast path open. */ if (hp->port.count++ > 0) { spin_unlock_irqrestore(&hp->port.lock, flags); hvc_kick(); - return 0; + goto out; } /* else count == 0 */ spin_unlock_irqrestore(&hp->port.lock, flags); @@ -375,6 +381,8 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) /* Force wakeup of the polling thread */ hvc_kick(); +out: + mutex_unlock(&hvc_open_mutex); return rc; } @@ -896,13 +904,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data, cons_ops[i] == hp->ops) break; - /* no matching slot, just use a counter */ - if (i >= MAX_NR_HVC_CONSOLES) - i = ++last_hvc; + if (i >= MAX_NR_HVC_CONSOLES) { + + /* find 'empty' slot for console */ + for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) { + } + + /* no matching slot, just use a counter */ + if (i == MAX_NR_HVC_CONSOLES) + i = ++last_hvc + MAX_NR_HVC_CONSOLES; + } hp->index = i; - cons_ops[i] = ops; - vtermnos[i] = vtermno; + if (i < MAX_NR_HVC_CONSOLES) { + cons_ops[i] = ops; + vtermnos[i] = vtermno; + } list_add_tail(&(hp->next), &hvc_structs); spin_unlock(&hvc_structs_lock); diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 6060c3e8925e..9b2beada2ff3 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -681,11 +681,10 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len, * FIXME: lock against link layer control transmissions */ -static void gsm_data_kick(struct gsm_mux *gsm) +static void gsm_data_kick(struct gsm_mux *gsm, struct gsm_dlci *dlci) { struct gsm_msg *msg, *nmsg; int len; - int skip_sof = 0; list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) { if (gsm->constipated && msg->addr) @@ -707,18 +706,23 @@ static void gsm_data_kick(struct gsm_mux *gsm) print_hex_dump_bytes("gsm_data_kick: ", DUMP_PREFIX_OFFSET, gsm->txframe, len); - - if (gsm->output(gsm, gsm->txframe + skip_sof, - len - skip_sof) < 0) + if (gsm->output(gsm, gsm->txframe, len) < 0) break; /* FIXME: Can eliminate one SOF in many more cases */ gsm->tx_bytes -= msg->len; - /* For a burst of frames skip the extra SOF within the - burst */ - skip_sof = 1; list_del(&msg->list); kfree(msg); + + if (dlci) { + tty_port_tty_wakeup(&dlci->port); + } else { + int i = 0; + + for (i = 0; i < NUM_DLCI; i++) + if (gsm->dlci[i]) + tty_port_tty_wakeup(&gsm->dlci[i]->port); + } } } @@ -770,7 +774,7 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) /* Add to the actual output queue */ list_add_tail(&msg->list, &gsm->tx_list); gsm->tx_bytes += msg->len; - gsm_data_kick(gsm); + gsm_data_kick(gsm, dlci); } /** @@ -1231,7 +1235,7 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command, gsm_control_reply(gsm, CMD_FCON, NULL, 0); /* Kick the link in case it is idling */ spin_lock_irqsave(&gsm->tx_lock, flags); - gsm_data_kick(gsm); + gsm_data_kick(gsm, NULL); spin_unlock_irqrestore(&gsm->tx_lock, flags); break; case CMD_FCOFF: @@ -2429,7 +2433,7 @@ static void gsmld_write_wakeup(struct tty_struct *tty) /* Queue poll */ clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); spin_lock_irqsave(&gsm->tx_lock, flags); - gsm_data_kick(gsm); + gsm_data_kick(gsm, NULL); if (gsm->tx_bytes < TX_THRESH_LO) { gsm_dlci_data_sweep(gsm); } diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index ec6d20f25e8b..0d3cc3324f46 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -645,18 +645,21 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev) info->port.ops = &rocket_port_ops; init_completion(&info->close_wait); info->flags &= ~ROCKET_MODE_MASK; - switch (pc104[board][line]) { - case 422: - info->flags |= ROCKET_MODE_RS422; - break; - case 485: - info->flags |= ROCKET_MODE_RS485; - break; - case 232: - default: + if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1)) + switch (pc104[board][line]) { + case 422: + info->flags |= ROCKET_MODE_RS422; + break; + case 485: + info->flags |= ROCKET_MODE_RS485; + break; + case 232: + default: + info->flags |= ROCKET_MODE_RS232; + break; + } + else info->flags |= ROCKET_MODE_RS232; - break; - } info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR; if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) { diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 39126460c1f5..e9ea9005a984 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -530,6 +530,7 @@ static void __init serial8250_isa_init_ports(void) */ up->mcr_mask = ~ALPHA_KLUDGE_MCR; up->mcr_force = ALPHA_KLUDGE_MCR; + serial8250_set_defaults(up); } /* chain base port ops to support Remote Supervisor Adapter */ @@ -553,7 +554,6 @@ static void __init serial8250_isa_init_ports(void) port->membase = old_serial_port[i].iomem_base; port->iotype = old_serial_port[i].io_type; port->regshift = old_serial_port[i].iomem_reg_shift; - serial8250_set_defaults(up); port->irqflags |= irqflag; if (serial8250_isa_config != NULL) diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index 035810bbcd02..470ccf729d59 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -47,8 +47,21 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, struct uart_8250_port *up = container_of(port, struct uart_8250_port, port); + /* + * Store the requested baud rate before calling the generic 8250 + * set_termios method. Standard 8250 port expects bauds to be + * no higher than (uartclk / 16) so the baud will be clamped if it + * gets out of that bound. Mediatek 8250 port supports speed + * higher than that, therefore we'll get original baud rate back + * after calling the generic set_termios method and recalculate + * the speed later in this method. + */ + baud = tty_termios_baud_rate(termios); + serial8250_do_set_termios(port, termios, old); + tty_termios_encode_baud_rate(termios, baud, baud); + /* * Mediatek UARTs use an extra highspeed register (UART_MTK_HIGHS) * @@ -91,6 +104,11 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, */ spin_lock_irqsave(&port->lock, flags); + /* + * Update the per-port timeout. + */ + uart_update_timeout(port, termios->c_cflag, baud); + /* set DLAB we have cval saved in up->lcr from the call to the core */ serial_port_out(port, UART_LCR, up->lcr | UART_LCR_DLAB); serial_dl_write(up, quot); diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index b032add92722..72f6cde146b5 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -5904,6 +5904,17 @@ static struct pci_device_id serial_pci_tbl[] = { 0, 0, pbn_exar_XR17V358 }, + /* + * Realtek RealManage + */ + { PCI_VENDOR_ID_REALTEK, 0x816a, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_1_115200 }, + + { PCI_VENDOR_ID_REALTEK, 0x816b, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b0_1_115200 }, + /* Fintek PCI serial cards */ { PCI_DEVICE(0x1c29, 0x1104), .driver_data = pbn_fintek_4 }, { PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 }, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index d42d66b72d5a..fef1b9335f60 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1902,6 +1902,10 @@ int serial8250_do_startup(struct uart_port *port) if (port->irq) { unsigned char iir1; + + if (port->irqflags & IRQF_SHARED) + disable_irq_nosync(port->irq); + /* * Test for UARTs that do not reassert THRE when the * transmitter is idle and the interrupt has already @@ -1911,8 +1915,6 @@ int serial8250_do_startup(struct uart_port *port) * allow register changes to become visible. */ spin_lock_irqsave(&port->lock, flags); - if (up->port.irqflags & IRQF_SHARED) - disable_irq_nosync(port->irq); wait_for_xmitr(up, UART_LSR_THRE); serial_port_out_sync(port, UART_IER, UART_IER_THRI); @@ -1924,9 +1926,10 @@ int serial8250_do_startup(struct uart_port *port) iir = serial_port_in(port, UART_IIR); serial_port_out(port, UART_IER, 0); + spin_unlock_irqrestore(&port->lock, flags); + if (port->irqflags & IRQF_SHARED) enable_irq(port->irq); - spin_unlock_irqrestore(&port->lock, flags); /* * If the interrupt is not reasserted, or we otherwise diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 899a77187bde..562f2a40e083 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2323,6 +2323,7 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, uap->port.fifosize = uap->fifosize; uap->port.flags = UPF_BOOT_AUTOCONF; uap->port.line = index; + spin_lock_init(&uap->port.lock); amba_ports[index] = uap; @@ -2331,7 +2332,7 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, static int pl011_register_port(struct uart_amba_port *uap) { - int ret; + int ret, i; /* Ensure interrupts from this UART are masked and cleared */ writew(0, uap->port.membase + UART011_IMSC); @@ -2342,6 +2343,9 @@ static int pl011_register_port(struct uart_amba_port *uap) if (ret < 0) { dev_err(uap->port.dev, "Failed to register AMBA-PL011 driver\n"); + for (i = 0; i < ARRAY_SIZE(amba_ports); i++) + if (amba_ports[i] == uap) + amba_ports[i] = NULL; return ret; } } diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 1a4df5005aec..5fbb2d56565d 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -872,37 +872,72 @@ struct msm_baud_map { }; static const struct msm_baud_map * -msm_find_best_baud(struct uart_port *port, unsigned int baud) +msm_find_best_baud(struct uart_port *port, unsigned int baud, + unsigned long *rate) { - unsigned int i, divisor; - const struct msm_baud_map *entry; + struct msm_port *msm_port = UART_TO_MSM(port); + unsigned int divisor, result; + unsigned long target, old, best_rate = 0, diff, best_diff = ULONG_MAX; + const struct msm_baud_map *entry, *end, *best; static const struct msm_baud_map table[] = { - { 1536, 0x00, 1 }, - { 768, 0x11, 1 }, - { 384, 0x22, 1 }, - { 192, 0x33, 1 }, - { 96, 0x44, 1 }, - { 48, 0x55, 1 }, - { 32, 0x66, 1 }, - { 24, 0x77, 1 }, - { 16, 0x88, 1 }, - { 12, 0x99, 6 }, - { 8, 0xaa, 6 }, - { 6, 0xbb, 6 }, - { 4, 0xcc, 6 }, - { 3, 0xdd, 8 }, - { 2, 0xee, 16 }, { 1, 0xff, 31 }, - { 0, 0xff, 31 }, + { 2, 0xee, 16 }, + { 3, 0xdd, 8 }, + { 4, 0xcc, 6 }, + { 6, 0xbb, 6 }, + { 8, 0xaa, 6 }, + { 12, 0x99, 6 }, + { 16, 0x88, 1 }, + { 24, 0x77, 1 }, + { 32, 0x66, 1 }, + { 48, 0x55, 1 }, + { 96, 0x44, 1 }, + { 192, 0x33, 1 }, + { 384, 0x22, 1 }, + { 768, 0x11, 1 }, + { 1536, 0x00, 1 }, }; - divisor = uart_get_divisor(port, baud); + best = table; /* Default to smallest divider */ + target = clk_round_rate(msm_port->clk, 16 * baud); + divisor = DIV_ROUND_CLOSEST(target, 16 * baud); + + end = table + ARRAY_SIZE(table); + entry = table; + while (entry < end) { + if (entry->divisor <= divisor) { + result = target / entry->divisor / 16; + diff = abs(result - baud); + + /* Keep track of best entry */ + if (diff < best_diff) { + best_diff = diff; + best = entry; + best_rate = target; + } - for (i = 0, entry = table; i < ARRAY_SIZE(table); i++, entry++) - if (entry->divisor <= divisor) - break; + if (result == baud) + break; + } else if (entry->divisor > divisor) { + old = target; + target = clk_round_rate(msm_port->clk, old + 1); + /* + * The rate didn't get any faster so we can't do + * better at dividing it down + */ + if (target == old) + break; + + /* Start the divisor search over at this new rate */ + entry = table; + divisor = DIV_ROUND_CLOSEST(target, 16 * baud); + continue; + } + entry++; + } - return entry; /* Default to smallest divider */ + *rate = best_rate; + return best; } static int msm_set_baud_rate(struct uart_port *port, unsigned int baud, @@ -911,22 +946,20 @@ static int msm_set_baud_rate(struct uart_port *port, unsigned int baud, unsigned int rxstale, watermark, mask; struct msm_port *msm_port = UART_TO_MSM(port); const struct msm_baud_map *entry; - unsigned long flags; - - entry = msm_find_best_baud(port, baud); - - msm_write(port, entry->code, UART_CSR); - - if (baud > 460800) - port->uartclk = baud * 16; + unsigned long flags, rate; flags = *saved_flags; spin_unlock_irqrestore(&port->lock, flags); - clk_set_rate(msm_port->clk, port->uartclk); + entry = msm_find_best_baud(port, baud, &rate); + clk_set_rate(msm_port->clk, rate); + baud = rate / 16 / entry->divisor; spin_lock_irqsave(&port->lock, flags); *saved_flags = flags; + port->uartclk = rate; + + msm_write(port, entry->code, UART_CSR); /* RX stale watermark */ rxstale = entry->rxstale; diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 12bac2cbae4b..70a51d0bc604 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1719,9 +1719,11 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, ourport->tx_irq = ret + 1; } - ret = platform_get_irq(platdev, 1); - if (ret > 0) - ourport->tx_irq = ret; + if (!s3c24xx_serial_has_interrupt_mask(port)) { + ret = platform_get_irq(platdev, 1); + if (ret > 0) + ourport->tx_irq = ret; + } /* * DMA is currently supported only on DT platforms, if DMA properties * are specified. @@ -1841,8 +1843,6 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) ourport->min_dma_size = max_t(int, ourport->port.fifosize, dma_get_cache_alignment()); - probe_index++; - dbg("%s: initialising port %p...\n", __func__, ourport); ret = s3c24xx_serial_init_port(ourport, pdev); @@ -1872,6 +1872,8 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) if (ret < 0) dev_err(&pdev->dev, "failed to add cpufreq notifier\n"); + probe_index++; + return 0; } diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index a3dfefa33e3c..3f82014269f0 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1489,10 +1489,12 @@ static int __init sc16is7xx_init(void) #endif return ret; +#ifdef CONFIG_SERIAL_SC16IS7XX_SPI err_spi: #ifdef CONFIG_SERIAL_SC16IS7XX_I2C i2c_del_driver(&sc16is7xx_i2c_uart_driver); #endif +#endif err_i2c: uart_unregister_driver(&sc16is7xx_uart); return ret; diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index fb43f8dc9246..96c65fe64141 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -125,7 +125,11 @@ static DEFINE_SPINLOCK(func_buf_lock); /* guard 'func_buf' and friends */ static unsigned long key_down[BITS_TO_LONGS(KEY_CNT)]; /* keyboard key bitmap */ static unsigned char shift_down[NR_SHIFT]; /* shift state counters.. */ static bool dead_key_next; -static int npadch = -1; /* -1 or number assembled on pad */ + +/* Handles a number being assembled on the number pad */ +static bool npadch_active; +static unsigned int npadch_value; + static unsigned int diacr; static char rep; /* flag telling character repeat */ @@ -815,12 +819,12 @@ static void k_shift(struct vc_data *vc, unsigned char value, char up_flag) shift_state &= ~(1 << value); /* kludge */ - if (up_flag && shift_state != old_state && npadch != -1) { + if (up_flag && shift_state != old_state && npadch_active) { if (kbd->kbdmode == VC_UNICODE) - to_utf8(vc, npadch); + to_utf8(vc, npadch_value); else - put_queue(vc, npadch & 0xff); - npadch = -1; + put_queue(vc, npadch_value & 0xff); + npadch_active = false; } } @@ -838,7 +842,7 @@ static void k_meta(struct vc_data *vc, unsigned char value, char up_flag) static void k_ascii(struct vc_data *vc, unsigned char value, char up_flag) { - int base; + unsigned int base; if (up_flag) return; @@ -852,10 +856,12 @@ static void k_ascii(struct vc_data *vc, unsigned char value, char up_flag) base = 16; } - if (npadch == -1) - npadch = value; - else - npadch = npadch * base + value; + if (!npadch_active) { + npadch_value = 0; + npadch_active = true; + } + + npadch_value = npadch_value * base + value; } static void k_lock(struct vc_data *vc, unsigned char value, char up_flag) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 4785ae061b65..0e4f54832fc7 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -864,7 +864,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, unsigned int old_rows, old_row_size; unsigned int new_cols, new_rows, new_row_size, new_screen_size; unsigned int user; - unsigned short *newscreen; + unsigned short *oldscreen, *newscreen; WARN_CONSOLE_UNLOCKED(); @@ -946,10 +946,11 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_scr_end > new_origin) scr_memsetw((void *)new_origin, vc->vc_video_erase_char, new_scr_end - new_origin); - kfree(vc->vc_screenbuf); + oldscreen = vc->vc_screenbuf; vc->vc_screenbuf = newscreen; vc->vc_screenbuf_size = new_screen_size; set_origin(vc); + kfree(oldscreen); /* do part of a reset_terminal() */ vc->vc_top = 0; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 9353789e4337..b0f0771a5729 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -896,12 +896,22 @@ int vt_ioctl(struct tty_struct *tty, console_lock(); vcp = vc_cons[i].d; if (vcp) { + int ret; + int save_scan_lines = vcp->vc_scan_lines; + int save_font_height = vcp->vc_font.height; + if (v.v_vlin) vcp->vc_scan_lines = v.v_vlin; if (v.v_clin) vcp->vc_font.height = v.v_clin; vcp->vc_resize_user = 1; - vc_resize(vcp, v.v_cols, v.v_rows); + ret = vc_resize(vcp, v.v_cols, v.v_rows); + if (ret) { + vcp->vc_scan_lines = save_scan_lines; + vcp->vc_font.height = save_font_height; + console_unlock(); + return ret; + } } console_unlock(); } diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c index f598ecddc8a7..b58a504240c4 100644 --- a/drivers/uio/uio_pdrv_genirq.c +++ b/drivers/uio/uio_pdrv_genirq.c @@ -148,7 +148,7 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev) if (!uioinfo->irq) { ret = platform_get_irq(pdev, 0); uioinfo->irq = ret; - if (ret == -ENXIO && pdev->dev.of_node) + if (ret == -ENXIO) uioinfo->irq = UIO_IRQ_NONE; else if (ret < 0) { dev_err(&pdev->dev, "failed to get IRQ\n"); diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c index 7311ed61e99a..029c8bc54b7a 100644 --- a/drivers/usb/c67x00/c67x00-sched.c +++ b/drivers/usb/c67x00/c67x00-sched.c @@ -500,7 +500,7 @@ c67x00_giveback_urb(struct c67x00_hcd *c67x00, struct urb *urb, int status) c67x00_release_urb(c67x00, urb); usb_hcd_unlink_urb_from_ep(c67x00_hcd_to_hcd(c67x00), urb); spin_unlock(&c67x00->lock); - usb_hcd_giveback_urb(c67x00_hcd_to_hcd(c67x00), urb, urbp->status); + usb_hcd_giveback_urb(c67x00_hcd_to_hcd(c67x00), urb, status); spin_lock(&c67x00->lock); } diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 6d62ad74e46b..0d3f383827f9 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1177,6 +1177,29 @@ static void ci_controller_suspend(struct ci_hdrc *ci) enable_irq(ci->irq); } +/* + * Handle the wakeup interrupt triggered by extcon connector + * We need to call ci_irq again for extcon since the first + * interrupt (wakeup int) only let the controller be out of + * low power mode, but not handle any interrupts. + */ +static void ci_extcon_wakeup_int(struct ci_hdrc *ci) +{ + struct ci_hdrc_cable *cable_id, *cable_vbus; + u32 otgsc = hw_read_otgsc(ci, ~0); + + cable_id = &ci->platdata->id_extcon; + cable_vbus = &ci->platdata->vbus_extcon; + + if (!IS_ERR(cable_id->edev) && ci->is_otg && + (otgsc & OTGSC_IDIE) && (otgsc & OTGSC_IDIS)) + ci_irq(ci->irq, ci); + + if (!IS_ERR(cable_vbus->edev) && ci->is_otg && + (otgsc & OTGSC_BSVIE) && (otgsc & OTGSC_BSVIS)) + ci_irq(ci->irq, ci); +} + static int ci_controller_resume(struct device *dev) { struct ci_hdrc *ci = dev_get_drvdata(dev); @@ -1203,6 +1226,7 @@ static int ci_controller_resume(struct device *dev) enable_irq(ci->irq); if (ci_otg_is_fsm_mode(ci)) ci_otg_fsm_wakeup_by_srp(ci); + ci_extcon_wakeup_int(ci); } return 0; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 04fd6c8e3090..515839034dfb 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1684,6 +1684,8 @@ static int acm_reset_resume(struct usb_interface *intf) static const struct usb_device_id acm_ids[] = { /* quirky and broken devices */ + { USB_DEVICE(0x0424, 0x274e), /* Microchip Technology, Inc. (formerly SMSC) */ + .driver_info = DISABLE_ECHO, }, /* DISABLE ECHO in termios flag */ { USB_DEVICE(0x076d, 0x0006), /* Denso Cradle CU-321 */ .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */ { USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */ diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 07c3c3449147..71c2ae4b8106 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -481,7 +481,8 @@ static int usblp_release(struct inode *inode, struct file *file) usb_autopm_put_interface(usblp->intf); if (!usblp->present) /* finish cleanup from disconnect */ - usblp_cleanup(usblp); + usblp_cleanup(usblp); /* any URBs must be dead */ + mutex_unlock(&usblp_mutex); return 0; } @@ -839,6 +840,11 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo if (rv < 0) return rv; + if (!usblp->present) { + count = -ENODEV; + goto done; + } + if ((avail = usblp->rstatus) < 0) { printk(KERN_ERR "usblp%d: error %d reading from printer\n", usblp->minor, (int)avail); @@ -1397,9 +1403,11 @@ static void usblp_disconnect(struct usb_interface *intf) usblp_unlink_urbs(usblp); mutex_unlock(&usblp->mut); + usb_poison_anchored_urbs(&usblp->urbs); if (!usblp->used) usblp_cleanup(usblp); + mutex_unlock(&usblp_mutex); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 963dd8a4b540..c422b4df97e8 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1175,6 +1175,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) #ifdef CONFIG_PM udev->reset_resume = 1; #endif + /* Don't set the change_bits when the device + * was powered off. + */ + if (test_bit(port1, hub->power_bits)) + set_bit(port1, hub->change_bits); } else { /* The power session is gone; tell hub_wq */ @@ -2939,6 +2944,15 @@ static int check_port_resume_type(struct usb_device *udev, if (portchange & USB_PORT_STAT_C_ENABLE) usb_clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_ENABLE); + + /* + * Whatever made this reset-resume necessary may have + * turned on the port1 bit in hub->change_bits. But after + * a successful reset-resume we want the bit to be clear; + * if it was on it would indicate that something happened + * following the reset-resume. + */ + clear_bit(port1, hub->change_bits); } return status; diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index adc696a76b20..e568325cb6e1 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -306,9 +306,10 @@ static void sg_complete(struct urb *urb) */ spin_unlock(&io->lock); for (i = 0, found = 0; i < io->entries; i++) { - if (!io->urbs[i] || !io->urbs[i]->dev) + if (!io->urbs[i]) continue; if (found) { + usb_block_urb(io->urbs[i]); retval = usb_unlink_urb(io->urbs[i]); if (retval != -EINPROGRESS && retval != -ENODEV && @@ -519,12 +520,10 @@ void usb_sg_wait(struct usb_sg_request *io) int retval; io->urbs[i]->dev = io->dev; - retval = usb_submit_urb(io->urbs[i], GFP_ATOMIC); - - /* after we submit, let completions or cancellations fire; - * we handshake using io->status. - */ spin_unlock_irq(&io->lock); + + retval = usb_submit_urb(io->urbs[i], GFP_NOIO); + switch (retval) { /* maybe we retrying will recover */ case -ENXIO: /* hc didn't queue this one */ @@ -582,30 +581,34 @@ EXPORT_SYMBOL_GPL(usb_sg_wait); void usb_sg_cancel(struct usb_sg_request *io) { unsigned long flags; + int i, retval; spin_lock_irqsave(&io->lock, flags); + if (io->status || io->count == 0) { + spin_unlock_irqrestore(&io->lock, flags); + return; + } + /* shut everything down */ + io->status = -ECONNRESET; + io->count++; /* Keep the request alive until we're done */ + spin_unlock_irqrestore(&io->lock, flags); - /* shut everything down, if it didn't already */ - if (!io->status) { - int i; - - io->status = -ECONNRESET; - spin_unlock(&io->lock); - for (i = 0; i < io->entries; i++) { - int retval; + for (i = io->entries - 1; i >= 0; --i) { + usb_block_urb(io->urbs[i]); - if (!io->urbs[i]->dev) - continue; - retval = usb_unlink_urb(io->urbs[i]); - if (retval != -EINPROGRESS - && retval != -ENODEV - && retval != -EBUSY - && retval != -EIDRM) - dev_warn(&io->dev->dev, "%s, unlink --> %d\n", - __func__, retval); - } - spin_lock(&io->lock); + retval = usb_unlink_urb(io->urbs[i]); + if (retval != -EINPROGRESS + && retval != -ENODEV + && retval != -EBUSY + && retval != -EIDRM) + dev_warn(&io->dev->dev, "%s, unlink --> %d\n", + __func__, retval); } + + spin_lock_irqsave(&io->lock, flags); + io->count--; + if (!io->count) + complete(&io->complete); spin_unlock_irqrestore(&io->lock, flags); } EXPORT_SYMBOL_GPL(usb_sg_cancel); @@ -1077,11 +1080,11 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, if (usb_endpoint_out(epaddr)) { ep = dev->ep_out[epnum]; - if (reset_hardware) + if (reset_hardware && epnum != 0) dev->ep_out[epnum] = NULL; } else { ep = dev->ep_in[epnum]; - if (reset_hardware) + if (reset_hardware && epnum != 0) dev->ep_in[epnum] = NULL; } if (ep) { @@ -1138,6 +1141,34 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf, } } +/* + * usb_disable_device_endpoints -- Disable all endpoints for a device + * @dev: the device whose endpoints are being disabled + * @skip_ep0: 0 to disable endpoint 0, 1 to skip it. + */ +static void usb_disable_device_endpoints(struct usb_device *dev, int skip_ep0) +{ + struct usb_hcd *hcd = bus_to_hcd(dev->bus); + int i; + + if (hcd->driver->check_bandwidth) { + /* First pass: Cancel URBs, leave endpoint pointers intact. */ + for (i = skip_ep0; i < 16; ++i) { + usb_disable_endpoint(dev, i, false); + usb_disable_endpoint(dev, i + USB_DIR_IN, false); + } + /* Remove endpoints from the host controller internal state */ + mutex_lock(hcd->bandwidth_mutex); + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + mutex_unlock(hcd->bandwidth_mutex); + } + /* Second pass: remove endpoint pointers */ + for (i = skip_ep0; i < 16; ++i) { + usb_disable_endpoint(dev, i, true); + usb_disable_endpoint(dev, i + USB_DIR_IN, true); + } +} + /** * usb_disable_device - Disable all the endpoints for a USB device * @dev: the device whose endpoints are being disabled @@ -1151,7 +1182,6 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf, void usb_disable_device(struct usb_device *dev, int skip_ep0) { int i; - struct usb_hcd *hcd = bus_to_hcd(dev->bus); /* getting rid of interfaces will disconnect * any drivers bound to them (a key side effect) @@ -1197,22 +1227,8 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__, skip_ep0 ? "non-ep0" : "all"); - if (hcd->driver->check_bandwidth) { - /* First pass: Cancel URBs, leave endpoint pointers intact. */ - for (i = skip_ep0; i < 16; ++i) { - usb_disable_endpoint(dev, i, false); - usb_disable_endpoint(dev, i + USB_DIR_IN, false); - } - /* Remove endpoints from the host controller internal state */ - mutex_lock(hcd->bandwidth_mutex); - usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); - mutex_unlock(hcd->bandwidth_mutex); - /* Second pass: remove endpoint pointers */ - } - for (i = skip_ep0; i < 16; ++i) { - usb_disable_endpoint(dev, i, true); - usb_disable_endpoint(dev, i + USB_DIR_IN, true); - } + + usb_disable_device_endpoints(dev, skip_ep0); } /** @@ -1455,6 +1471,9 @@ EXPORT_SYMBOL_GPL(usb_set_interface); * The caller must own the device lock. * * Return: Zero on success, else a negative error code. + * + * If this routine fails the device will probably be in an unusable state + * with endpoints disabled, and interfaces only partially enabled. */ int usb_reset_configuration(struct usb_device *dev) { @@ -1470,10 +1489,7 @@ int usb_reset_configuration(struct usb_device *dev) * calls during probe() are fine */ - for (i = 1; i < 16; ++i) { - usb_disable_endpoint(dev, i, true); - usb_disable_endpoint(dev, i + USB_DIR_IN, true); - } + usb_disable_device_endpoints(dev, 1); /* skip ep0*/ config = dev->actconfig; retval = 0; @@ -1486,34 +1502,10 @@ int usb_reset_configuration(struct usb_device *dev) mutex_unlock(hcd->bandwidth_mutex); return -ENOMEM; } - /* Make sure we have enough bandwidth for each alternate setting 0 */ - for (i = 0; i < config->desc.bNumInterfaces; i++) { - struct usb_interface *intf = config->interface[i]; - struct usb_host_interface *alt; - alt = usb_altnum_to_altsetting(intf, 0); - if (!alt) - alt = &intf->altsetting[0]; - if (alt != intf->cur_altsetting) - retval = usb_hcd_alloc_bandwidth(dev, NULL, - intf->cur_altsetting, alt); - if (retval < 0) - break; - } - /* If not, reinstate the old alternate settings */ + /* xHCI adds all endpoints in usb_hcd_alloc_bandwidth */ + retval = usb_hcd_alloc_bandwidth(dev, config, NULL, NULL); if (retval < 0) { -reset_old_alts: - for (i--; i >= 0; i--) { - struct usb_interface *intf = config->interface[i]; - struct usb_host_interface *alt; - - alt = usb_altnum_to_altsetting(intf, 0); - if (!alt) - alt = &intf->altsetting[0]; - if (alt != intf->cur_altsetting) - usb_hcd_alloc_bandwidth(dev, NULL, - alt, intf->cur_altsetting); - } usb_enable_lpm(dev); mutex_unlock(hcd->bandwidth_mutex); return retval; @@ -1522,8 +1514,12 @@ reset_old_alts: USB_REQ_SET_CONFIGURATION, 0, config->desc.bConfigurationValue, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); - if (retval < 0) - goto reset_old_alts; + if (retval < 0) { + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + usb_enable_lpm(dev); + mutex_unlock(hcd->bandwidth_mutex); + return retval; + } mutex_unlock(hcd->bandwidth_mutex); /* re-init hc/hcd interface/endpoint state */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 6c4bb47922ac..dd72e85f2e17 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -73,11 +73,12 @@ static const struct usb_device_id usb_quirk_list[] = { /* Logitech HD Webcam C270 */ { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, - /* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */ + /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x046d, 0x085c), .driver_info = USB_QUIRK_DELAY_INIT }, /* Logitech ConferenceCam CC3000e */ { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT }, @@ -235,6 +236,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Generic RTL8153 based ethernet adapters */ { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM }, + /* SONiX USB DEVICE Touchpad */ + { USB_DEVICE(0x0c45, 0x7056), .driver_info = + USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, @@ -272,6 +277,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Corsair K70 LUX */ { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Corsair K70 RGB RAPDIFIRE */ + { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT | + USB_QUIRK_DELAY_CTRL_MSG }, + /* MIDI keyboard WORLDE MINI */ { USB_DEVICE(0x1c75, 0x0204), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, @@ -294,6 +303,8 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM }, + { USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM }, + /* DJI CineSSD */ { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index d6fcead91b32..c095cde55329 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -185,6 +185,31 @@ EXPORT_SYMBOL_GPL(usb_unanchor_urb); /*-------------------------------------------------------------------*/ +static const int pipetypes[4] = { + PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT +}; + +/** + * usb_urb_ep_type_check - sanity check of endpoint in the given urb + * @urb: urb to be checked + * + * This performs a light-weight sanity check for the endpoint in the + * given urb. It returns 0 if the urb contains a valid endpoint, otherwise + * a negative error code. + */ +int usb_urb_ep_type_check(const struct urb *urb) +{ + const struct usb_host_endpoint *ep; + + ep = usb_pipe_endpoint(urb->dev, urb->pipe); + if (!ep) + return -EINVAL; + if (usb_pipetype(urb->pipe) != pipetypes[usb_endpoint_type(&ep->desc)]) + return -EINVAL; + return 0; +} +EXPORT_SYMBOL_GPL(usb_urb_ep_type_check); + /** * usb_submit_urb - issue an asynchronous transfer request for an endpoint * @urb: pointer to the urb describing the request @@ -324,9 +349,6 @@ EXPORT_SYMBOL_GPL(usb_unanchor_urb); */ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) { - static int pipetypes[4] = { - PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT - }; int xfertype, max; struct usb_device *dev; struct usb_host_endpoint *ep; @@ -445,7 +467,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) */ /* Check that the pipe's type matches the endpoint's type */ - if (usb_pipetype(urb->pipe) != pipetypes[xfertype]) + if (usb_urb_ep_type_check(urb)) dev_WARN(&dev->dev, "BOGUS urb xfer, pipe %x != type %x\n", usb_pipetype(urb->pipe), pipetypes[xfertype]); diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 36e5098e4e6f..415e9cf407ba 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -77,6 +77,89 @@ MODULE_PARM_DESC(autosuspend, "default autosuspend delay"); /** + * usb_find_common_endpoints() -- look up common endpoint descriptors + * @alt: alternate setting to search + * @bulk_in: pointer to descriptor pointer, or NULL + * @bulk_out: pointer to descriptor pointer, or NULL + * @int_in: pointer to descriptor pointer, or NULL + * @int_out: pointer to descriptor pointer, or NULL + * + * Search the alternate setting's endpoint descriptors for the first bulk-in, + * bulk-out, interrupt-in and interrupt-out endpoints and return them in the + * provided pointers (unless they are NULL). + * + * If a requested endpoint is not found, the corresponding pointer is set to + * NULL. + * + * Return: Zero if all requested descriptors were found, or -ENXIO otherwise. + */ +int usb_find_common_endpoints(struct usb_host_interface *alt, + struct usb_endpoint_descriptor **bulk_in, + struct usb_endpoint_descriptor **bulk_out, + struct usb_endpoint_descriptor **int_in, + struct usb_endpoint_descriptor **int_out) +{ + struct usb_endpoint_descriptor *epd; + int i; + + if (bulk_in) + *bulk_in = NULL; + if (bulk_out) + *bulk_out = NULL; + if (int_in) + *int_in = NULL; + if (int_out) + *int_out = NULL; + + for (i = 0; i < alt->desc.bNumEndpoints; ++i) { + epd = &alt->endpoint[i].desc; + + switch (usb_endpoint_type(epd)) { + case USB_ENDPOINT_XFER_BULK: + if (usb_endpoint_dir_in(epd)) { + if (bulk_in && !*bulk_in) { + *bulk_in = epd; + break; + } + } else { + if (bulk_out && !*bulk_out) { + *bulk_out = epd; + break; + } + } + + continue; + case USB_ENDPOINT_XFER_INT: + if (usb_endpoint_dir_in(epd)) { + if (int_in && !*int_in) { + *int_in = epd; + break; + } + } else { + if (int_out && !*int_out) { + *int_out = epd; + break; + } + } + + continue; + default: + continue; + } + + if ((!bulk_in || *bulk_in) && + (!bulk_out || *bulk_out) && + (!int_in || *int_in) && + (!int_out || *int_out)) { + return 0; + } + } + + return -ENXIO; +} +EXPORT_SYMBOL_GPL(usb_find_common_endpoints); + +/** * usb_find_alt_setting() - Given a configuration, find the alternate setting * for the given interface. * @config: the configuration to search (not necessarily the current config). diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 27daa42788b1..796d60d49ac5 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -363,10 +363,13 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg) if (ret && (ret != -ENOTSUPP)) dev_err(hsotg->dev, "exit hibernation failed\n"); + /* Change to L0 state */ + hsotg->lx_state = DWC2_L0; call_gadget(hsotg, resume); + } else { + /* Change to L0 state */ + hsotg->lx_state = DWC2_L0; } - /* Change to L0 state */ - hsotg->lx_state = DWC2_L0; } else { if (hsotg->core_params->hibernation) { dwc2_writel(GINTSTS_WKUPINT, hsotg->regs + GINTSTS); diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 842c1ae7a291..e5ad717cba22 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3656,12 +3656,6 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) epnum, 0); } - ret = usb_add_gadget_udc(dev, &hsotg->gadget); - if (ret) { - dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep, - hsotg->ctrl_req); - return ret; - } dwc2_hsotg_dump(hsotg); return 0; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 39c1cbf0e75d..d9fafd6a7927 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -452,10 +452,23 @@ static int dwc2_driver_probe(struct platform_device *dev) if (hsotg->dr_mode == USB_DR_MODE_PERIPHERAL) dwc2_lowlevel_hw_disable(hsotg); +#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \ + IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE) + /* Postponed adding a new gadget to the udc class driver list */ + if (hsotg->gadget_enabled) { + retval = usb_add_gadget_udc(hsotg->dev, &hsotg->gadget); + if (retval) { + hsotg->gadget.udc = NULL; + dwc2_hsotg_remove(hsotg); + goto error; + } + } +#endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */ return 0; error: - dwc2_lowlevel_hw_disable(hsotg); + if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) + dwc2_lowlevel_hw_disable(hsotg); return retval; } diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 19b6fd81f1bc..8c7a8dc0c31d 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -260,6 +260,9 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item, char *name; int ret; + if (strlen(page) < len) + return -EOVERFLOW; + name = kstrdup(page, GFP_KERNEL); if (!name) return -ENOMEM; diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index 67e474b13fca..670a89f197cd 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -779,10 +779,10 @@ static ssize_t f_acm_port_num_show(struct config_item *item, char *page) return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num); } -CONFIGFS_ATTR_RO(f_acm_port_, num); +CONFIGFS_ATTR_RO(f_acm_, port_num); static struct configfs_attribute *acm_attrs[] = { - &f_acm_port_attr_num, + &f_acm_attr_port_num, NULL, }; diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 23a9557c8234..f5f4a9927417 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1511,6 +1511,10 @@ static void ffs_data_reset(struct ffs_data *ffs) ffs->state = FFS_READ_DESCRIPTORS; ffs->setup_state = FFS_NO_SETUP; ffs->flags = 0; + + ffs->ms_os_descs_ext_prop_count = 0; + ffs->ms_os_descs_ext_prop_name_len = 0; + ffs->ms_os_descs_ext_prop_data_len = 0; } diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 6a2346b99f55..a7782ce673d6 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -336,7 +336,9 @@ static int f_audio_out_ep_complete(struct usb_ep *ep, struct usb_request *req) /* Copy buffer is full, add it to the play_queue */ if (audio_buf_size - copy_buf->actual < req->actual) { + spin_lock_irq(&audio->lock); list_add_tail(©_buf->list, &audio->play_queue); + spin_unlock_irq(&audio->lock); schedule_work(&audio->playback_work); copy_buf = f_audio_buffer_alloc(audio_buf_size); if (IS_ERR(copy_buf)) diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index ac190650314a..24c8fbda1a54 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1069,13 +1069,13 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc); if (!agdev->out_ep) { dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); - return ret; + return -ENODEV; } agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc); if (!agdev->in_ep) { dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); - return ret; + return -ENODEV; } uac2->p_prm.uac2 = uac2; diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c index 685cf3b4b78f..0fbe38d5d739 100644 --- a/drivers/usb/gadget/legacy/audio.c +++ b/drivers/usb/gadget/legacy/audio.c @@ -249,8 +249,10 @@ static int audio_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(cdev->gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail; + } usb_otg_descriptor_init(cdev->gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c index d70e7d43241a..2bac77a6f4b6 100644 --- a/drivers/usb/gadget/legacy/cdc2.c +++ b/drivers/usb/gadget/legacy/cdc2.c @@ -183,8 +183,10 @@ static int cdc_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail1; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 81f3c9cb333c..b95900168a6b 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1360,7 +1360,6 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) req->buf = dev->rbuf; req->context = NULL; - value = -EOPNOTSUPP; switch (ctrl->bRequest) { case USB_REQ_GET_DESCRIPTOR: @@ -1806,7 +1805,7 @@ static ssize_t dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) { struct dev_data *dev = fd->private_data; - ssize_t value = len, length = len; + ssize_t value, length = len; unsigned total; u32 tag; char *kbuf; diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c index cc3ffacbade1..0d45eb497063 100644 --- a/drivers/usb/gadget/legacy/ncm.c +++ b/drivers/usb/gadget/legacy/ncm.c @@ -162,8 +162,10 @@ static int gncm_bind(struct usb_composite_dev *cdev) struct usb_descriptor_header *usb_desc; usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL; diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 668ac5e8681b..e6902257d7de 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -843,7 +843,7 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) u32 status; DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n", - ep->ep.name, req); + ep->ep.name, _req); spin_lock_irqsave(&udc->lock, flags); diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index e9bd8d4abca0..f09a74d79c9e 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -286,6 +286,7 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit) * in that case reinit is passed as 1 */ if (reinit) { + int i; /* Enable interrupts */ temp = bdc_readl(bdc->regs, BDC_BDCSC); temp |= BDC_GIE; @@ -295,6 +296,9 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit) /* Initialize SRR to 0 */ memset(bdc->srr.sr_bds, 0, NUM_SR_ENTRIES * sizeof(struct bdc_bd)); + /* clear ep flags to avoid post disconnect stops/deconfigs */ + for (i = 1; i < bdc->num_eps; ++i) + bdc->bdc_ep_array[i]->flags = 0; } else { /* One time initiaization only */ /* Enable status report function pointers */ diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index d6199507f861..9f5f18891ba8 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -546,7 +546,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req, { struct bdc *bdc = ep->bdc; - if (req == NULL || &req->queue == NULL || &req->usb_req == NULL) + if (req == NULL) return; dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status); @@ -621,7 +621,6 @@ int bdc_ep_enable(struct bdc_ep *ep) } bdc_dbg_bd_list(bdc, ep); /* only for ep0: config ep is called for ep0 from connect event */ - ep->flags |= BDC_EP_ENABLED; if (ep->ep_num == 1) return ret; @@ -767,10 +766,13 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) __func__, ep->name, start_bdi, end_bdi); dev_dbg(bdc->dev, "ep_dequeue ep=%p ep->desc=%p\n", ep, (void *)ep->usb_ep.desc); - /* Stop the ep to see where the HW is ? */ - ret = bdc_stop_ep(bdc, ep->ep_num); - /* if there is an issue with stopping ep, then no need to go further */ - if (ret) + /* if still connected, stop the ep to see where the HW is ? */ + if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) { + ret = bdc_stop_ep(bdc, ep->ep_num); + /* if there is an issue, then no need to go further */ + if (ret) + return 0; + } else return 0; /* @@ -1921,7 +1923,9 @@ static int bdc_gadget_ep_disable(struct usb_ep *_ep) __func__, ep->name, ep->flags); if (!(ep->flags & BDC_EP_ENABLED)) { - dev_warn(bdc->dev, "%s is already disabled\n", ep->name); + if (bdc->gadget.speed != USB_SPEED_UNKNOWN) + dev_warn(bdc->dev, "%s is already disabled\n", + ep->name); return 0; } spin_lock_irqsave(&bdc->lock, flags); diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 594639e5cbf8..78168e1827b5 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -2001,9 +2001,12 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit) if (num == 0) { _req = gr_alloc_request(&ep->ep, GFP_ATOMIC); + if (!_req) + return -ENOMEM; + buf = devm_kzalloc(dev->dev, PAGE_SIZE, GFP_DMA | GFP_ATOMIC); - if (!_req || !buf) { - /* possible _req freed by gr_probe via gr_remove */ + if (!buf) { + gr_free_request(&ep->ep, _req); return -ENOMEM; } diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index ea43cb74a6f2..c9590949e4f0 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -1662,17 +1662,17 @@ static int lpc32xx_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) { struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep); - struct lpc32xx_udc *udc = ep->udc; + struct lpc32xx_udc *udc; u16 maxpacket; u32 tmp; unsigned long flags; /* Verify EP data */ if ((!_ep) || (!ep) || (!desc) || - (desc->bDescriptorType != USB_DT_ENDPOINT)) { - dev_dbg(udc->dev, "bad ep or descriptor\n"); + (desc->bDescriptorType != USB_DT_ENDPOINT)) return -EINVAL; - } + + udc = ep->udc; maxpacket = usb_endpoint_maxp(desc); if ((maxpacket == 0) || (maxpacket > ep->maxpacket)) { dev_dbg(udc->dev, "bad ep descriptor's packet size\n"); @@ -1920,7 +1920,7 @@ static int lpc32xx_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value) { struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep); - struct lpc32xx_udc *udc = ep->udc; + struct lpc32xx_udc *udc; unsigned long flags; if ((!ep) || (ep->hwep_num <= 1)) @@ -1930,6 +1930,7 @@ static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value) if (ep->is_in) return -EAGAIN; + udc = ep->udc; spin_lock_irqsave(&udc->lock, flags); if (value == 1) { diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c index b1cfa96cc88f..db95eab8b432 100644 --- a/drivers/usb/gadget/udc/m66592-udc.c +++ b/drivers/usb/gadget/udc/m66592-udc.c @@ -1684,7 +1684,7 @@ static int m66592_probe(struct platform_device *pdev) err_add_udc: m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req); - + m66592->ep0_req = NULL; clean_up3: if (m66592->pdata->on_chip) { clk_disable(m66592->clk); diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 81b6229c7805..4f480059f851 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2322,7 +2322,8 @@ static int mv_udc_probe(struct platform_device *pdev) return 0; err_create_workqueue: - destroy_workqueue(udc->qwork); + if (udc->qwork) + destroy_workqueue(udc->qwork); err_destroy_dma: dma_pool_destroy(udc->dtd_pool); err_free_dma: diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 553922c3be85..285e21ffa711 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -2670,6 +2670,8 @@ net2272_plat_probe(struct platform_device *pdev) err_req: release_mem_region(base, len); err: + kfree(dev); + return ret; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 3a8d056a5d16..48dd0da21e2b 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -3712,8 +3712,10 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; done: - if (dev) + if (dev) { net2280_remove(pdev); + kfree(dev); + } return retval; } diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 2806457b4748..3fd603494e86 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1488,11 +1488,11 @@ static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req, req->dma_mapped = 0; } ep->halted = 1; - spin_lock(&dev->lock); + spin_unlock(&dev->lock); if (!ep->in) pch_udc_ep_clear_rrdy(ep); usb_gadget_giveback_request(&ep->ep, &req->req); - spin_unlock(&dev->lock); + spin_lock(&dev->lock); ep->halted = halted; } @@ -1731,14 +1731,12 @@ static int pch_udc_pcd_ep_enable(struct usb_ep *usbep, static int pch_udc_pcd_ep_disable(struct usb_ep *usbep) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if ((usbep->name == ep0_string) || !ep->ep.desc) return -EINVAL; @@ -1769,12 +1767,10 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, struct pch_udc_request *req; struct pch_udc_ep *ep; struct pch_udc_data_dma_desc *dma_desc; - struct pch_udc_dev *dev; if (!usbep) return NULL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; req = kzalloc(sizeof *req, gfp); if (!req) return NULL; @@ -1947,12 +1943,10 @@ static int pch_udc_pcd_dequeue(struct usb_ep *usbep, { struct pch_udc_ep *ep; struct pch_udc_request *req; - struct pch_udc_dev *dev; unsigned long flags; int ret = -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!usbep || !usbreq || (!ep->ep.desc && ep->num)) return ret; req = container_of(usbreq, struct pch_udc_request, req); @@ -1984,14 +1978,12 @@ static int pch_udc_pcd_dequeue(struct usb_ep *usbep, static int pch_udc_pcd_set_halt(struct usb_ep *usbep, int halt) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; int ret; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!ep->ep.desc && !ep->num) return -EINVAL; if (!ep->dev->driver || (ep->dev->gadget.speed == USB_SPEED_UNKNOWN)) @@ -2029,14 +2021,12 @@ static int pch_udc_pcd_set_halt(struct usb_ep *usbep, int halt) static int pch_udc_pcd_set_wedge(struct usb_ep *usbep) { struct pch_udc_ep *ep; - struct pch_udc_dev *dev; unsigned long iflags; int ret; if (!usbep) return -EINVAL; ep = container_of(usbep, struct pch_udc_ep, ep); - dev = ep->dev; if (!ep->ep.desc && !ep->num) return -EINVAL; if (!ep->dev->driver || (ep->dev->gadget.speed == USB_SPEED_UNKNOWN)) @@ -2593,9 +2583,9 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev) empty_req_queue(ep); } if (dev->driver) { - spin_lock(&dev->lock); - usb_gadget_udc_reset(&dev->gadget, dev->driver); spin_unlock(&dev->lock); + usb_gadget_udc_reset(&dev->gadget, dev->driver); + spin_lock(&dev->lock); } } @@ -2646,7 +2636,7 @@ static void pch_udc_svc_enum_interrupt(struct pch_udc_dev *dev) static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) { u32 reg, dev_stat = 0; - int i, ret; + int i; dev_stat = pch_udc_read_device_status(dev); dev->cfg_data.cur_intf = (dev_stat & UDC_DEVSTS_INTF_MASK) >> @@ -2674,9 +2664,9 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) dev->ep[i].halted = 0; } dev->stall = 0; - spin_lock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_unlock(&dev->lock); + dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_lock(&dev->lock); } /** @@ -2686,7 +2676,7 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) */ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) { - int i, ret; + int i; u32 reg, dev_stat = 0; dev_stat = pch_udc_read_device_status(dev); @@ -2711,9 +2701,9 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) dev->stall = 0; /* call gadget zero with setup data received */ - spin_lock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_unlock(&dev->lock); + dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_lock(&dev->lock); } /** diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index eb3571ee59e3..08153a48704b 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -269,10 +269,6 @@ static void s3c2410_udc_done(struct s3c2410_ep *ep, static void s3c2410_udc_nuke(struct s3c2410_udc *udc, struct s3c2410_ep *ep, int status) { - /* Sanity check */ - if (&ep->queue == NULL) - return; - while (!list_empty(&ep->queue)) { struct s3c2410_request *req; req = list_entry(ep->queue.next, struct s3c2410_request, diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 89f7cd66f5e6..a6a1678cb927 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -97,7 +97,7 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget, return; if (req->num_mapped_sgs) { - dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 46f5354c534d..3b5a28f43ef9 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -199,9 +199,8 @@ skip_phy: hcd->rsrc_len = resource_size(res); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "Failed to get IRQ\n"); - err = -ENODEV; + if (irq < 0) { + err = irq; goto fail_io; } diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index f7661d9750fd..330e05acf5f7 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/usb/otg.h> #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/debugfs.h> diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 086a7115d263..4dc93547e927 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -27,7 +27,6 @@ */ /*-------------------------------------------------------------------------*/ -#include <linux/usb/otg.h> #define PORT_WAKE_BITS (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E) diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index c7a9b31eeaef..637079a35003 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -63,6 +63,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev)); if (!hcd) diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 2a5d2fd76040..33e9ed7fe026 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -229,6 +229,13 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci_info(ehci, "applying MosChip frame-index workaround\n"); ehci->frame_index_bug = 1; break; + case PCI_VENDOR_ID_HUAWEI: + /* Synopsys HC bug */ + if (pdev->device == 0xa239) { + ehci_info(ehci, "applying Synopsys HC workaround\n"); + ehci->has_synopsys_hc_bug = 1; + } + break; } /* optional debug port, normally in the first BAR */ diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 6865b919403f..2ed062a2e93b 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -166,9 +166,8 @@ skip_phy: hcd->rsrc_len = resource_size(res); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "Failed to get IRQ\n"); - err = -ENODEV; + if (irq < 0) { + err = irq; goto fail_io; } diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c index a8b8d8b8d9f3..a960d2bb8dd1 100644 --- a/drivers/usb/host/ohci-sm501.c +++ b/drivers/usb/host/ohci-sm501.c @@ -196,6 +196,7 @@ static int ohci_hcd_sm501_drv_remove(struct platform_device *pdev) struct resource *mem; usb_remove_hcd(hcd); + iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); dma_release_declared_memory(&pdev->dev); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 3ef80c2c0dcc..6891738278bc 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -599,15 +599,6 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, { u32 pls = status_reg & PORT_PLS_MASK; - /* resume state is a xHCI internal state. - * Do not report it to usb core, instead, pretend to be U3, - * thus usb core knows it's not ready for transfer - */ - if (pls == XDEV_RESUME) { - *status |= USB_SS_PORT_LS_U3; - return; - } - /* When the CAS bit is set then warm reset * should be performed on port */ @@ -630,6 +621,16 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, pls |= USB_PORT_STAT_CONNECTION; } else { /* + * Resume state is an xHCI internal state. Do not report it to + * usb core, instead, pretend to be U3, thus usb core knows + * it's not ready for transfer. + */ + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; + return; + } + + /* * If CAS bit isn't set but the Port is already at * Compliance Mode, fake a connection so the USB core * notices the Compliance state and resets the port. diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index af4e68152776..51d84332eb78 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1340,6 +1340,7 @@ static int xhci_check_maxpacket(struct xhci_hcd *xhci, unsigned int slot_id, xhci->devs[slot_id]->out_ctx, ep_index); ep_ctx = xhci_get_ep_ctx(xhci, command->in_ctx, ep_index); + ep_ctx->ep_info &= cpu_to_le32(~EP_STATE_MASK);/* must clear */ ep_ctx->ep_info2 &= cpu_to_le32(~MAX_PACKET_MASK); ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet_size)); @@ -4263,6 +4264,9 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, mutex_lock(hcd->bandwidth_mutex); xhci_change_max_exit_latency(xhci, udev, 0); mutex_unlock(hcd->bandwidth_mutex); + readl_poll_timeout(port_array[port_num], pm_val, + (pm_val & PORT_PLS_MASK) == XDEV_U0, + 100, 10000); return 0; } } diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 0a3aa38b3c96..a7f346529f91 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -706,7 +706,7 @@ struct xhci_ep_ctx { * 4 - TRB error * 5-7 - reserved */ -#define EP_STATE_MASK (0xf) +#define EP_STATE_MASK (0x7) #define EP_STATE_DISABLED 0 #define EP_STATE_RUNNING 1 #define EP_STATE_HALTED 2 diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c index 383fa007348f..bda82e63c1a9 100644 --- a/drivers/usb/misc/lvstest.c +++ b/drivers/usb/misc/lvstest.c @@ -396,7 +396,7 @@ static int lvs_rh_probe(struct usb_interface *intf, USB_DT_SS_HUB_SIZE, USB_CTRL_GET_TIMEOUT); if (ret < (USB_DT_HUB_NONVAR_SIZE + 2)) { dev_err(&hdev->dev, "wrong root hub descriptor read %d\n", ret); - return ret; + return ret < 0 ? ret : -EINVAL; } /* submit urb to poll interrupt endpoint */ diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index b9d50020c684..971f1165dc4b 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -790,7 +790,7 @@ static int sisusb_write_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, u8 swap8, fromkern = kernbuffer ? 1 : 0; u16 swap16; u32 swap32, flag = (length >> 28) & 1; - char buf[4]; + u8 buf[4]; /* if neither kernbuffer not userbuffer are given, assume * data in obuf @@ -1243,20 +1243,20 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, #ifdef INCL_SISUSB_CON int -sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data) +sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data) { return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); } int -sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data) +sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data) { return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); } #endif int -sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) +sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 data) { int ret; ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); @@ -1265,7 +1265,7 @@ sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 data) } int -sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) +sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 *data) { int ret; ret = sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, index); @@ -1274,7 +1274,7 @@ sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, u8 index, u8 *data) } int -sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, +sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand, u8 myor) { int ret; @@ -1289,7 +1289,7 @@ sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx, } static int -sisusb_setidxregmask(struct sisusb_usb_data *sisusb, int port, u8 idx, +sisusb_setidxregmask(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 data, u8 mask) { int ret; @@ -1303,13 +1303,13 @@ sisusb_setidxregmask(struct sisusb_usb_data *sisusb, int port, u8 idx, } int -sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, u8 index, u8 myor) +sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 myor) { return(sisusb_setidxregandor(sisusb, port, index, 0xff, myor)); } int -sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, u8 idx, u8 myand) +sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand) { return(sisusb_setidxregandor(sisusb, port, idx, myand, 0x00)); } @@ -2849,8 +2849,8 @@ static int sisusb_handle_command(struct sisusb_usb_data *sisusb, struct sisusb_command *y, unsigned long arg) { - int retval, port, length; - u32 address; + int retval, length; + u32 port, address; /* All our commands require the device * to be initialized. diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h index c46ce42d4489..82d953e4a6b3 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.h +++ b/drivers/usb/misc/sisusbvga/sisusb_init.h @@ -811,17 +811,17 @@ static const struct SiS_VCLKData SiSUSB_VCLKData[] = { int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo); -extern int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data); -extern int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 * data); -extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port, +extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data); +extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data); +extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 data); -extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port, +extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 * data); -extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, +extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand, u8 myor); -extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port, +extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 myor); -extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, +extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand); void sisusb_delete(struct kref *kref); diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index bc92a498ec03..9f19aa950bb1 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -2703,6 +2703,7 @@ static void usbtest_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); dev_dbg(&intf->dev, "disconnect\n"); + kfree(dev->buf); kfree(dev); } diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 44c6ced5d442..b17aeaafbb7c 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -510,7 +510,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, prepare_to_wait(&dev->waitq, &wait, TASK_INTERRUPTIBLE); dev_dbg(&dev->interface->dev, "%s - submit %c\n", __func__, dev->cntl_buffer[0]); - retval = usb_submit_urb(dev->cntl_urb, GFP_KERNEL); + retval = usb_submit_urb(dev->cntl_urb, GFP_ATOMIC); if (retval >= 0) timeout = schedule_timeout(YUREX_WRITE_TIMEOUT); finish_wait(&dev->waitq, &wait); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 5731621984c6..82c9c9d068be 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -1103,7 +1103,6 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) ret = -ENOMEM; goto usbhs_mod_gadget_probe_err_gpriv; } - spin_lock_init(&uep->lock); gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED); dev_info(dev, "%stransceiver found\n", @@ -1151,6 +1150,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) uep->ep.name = uep->ep_name; uep->ep.ops = &usbhsg_ep_ops; INIT_LIST_HEAD(&uep->ep.ep_list); + spin_lock_init(&uep->lock); /* init DCP */ if (usbhsg_is_dcp(uep)) { diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index e8a8c4fa944f..3ec59c2b4f65 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -71,6 +71,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x4348, 0x5523) }, + { USB_DEVICE(0x1a86, 0x7522) }, { USB_DEVICE(0x1a86, 0x7523) }, { USB_DEVICE(0x1a86, 0x5523) }, { }, diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index e92cd1eceefa..2c6587b5c329 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -63,6 +63,7 @@ static const struct usb_device_id id_table_earthmate[] = { static const struct usb_device_id id_table_cyphidcomrs232[] = { { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) }, + { USB_DEVICE(VENDOR_ID_SAI, PRODUCT_ID_CYPHIDCOM) }, { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) }, { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) }, { } /* Terminating entry */ @@ -77,6 +78,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) }, { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) }, { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) }, + { USB_DEVICE(VENDOR_ID_SAI, PRODUCT_ID_CYPHIDCOM) }, { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) }, { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) }, { USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) }, diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index 119d2e17077b..6d9820bffc20 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -24,6 +24,9 @@ #define VENDOR_ID_CYPRESS 0x04b4 #define PRODUCT_ID_CYPHIDCOM 0x5500 +/* Simply Automated HID->COM UPB PIM (using Cypress PID 0x5500) */ +#define VENDOR_ID_SAI 0x17dd + /* FRWD Dongle - a GPS sports watch */ #define VENDOR_ID_FRWD 0x6737 #define PRODUCT_ID_CYPHIDCOM_FRWD 0x0001 diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8388f88ce635..25e76d4c1505 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -708,6 +708,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) }, { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, @@ -2051,12 +2052,11 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port, #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE) static int ftdi_process_packet(struct usb_serial_port *port, - struct ftdi_private *priv, char *packet, int len) + struct ftdi_private *priv, unsigned char *buf, int len) { + unsigned char status; int i; - char status; char flag; - char *ch; if (len < 2) { dev_dbg(&port->dev, "malformed packet\n"); @@ -2066,7 +2066,7 @@ static int ftdi_process_packet(struct usb_serial_port *port, /* Compare new line status to the old one, signal if different/ N.B. packet may be processed more than once, but differences are only processed once. */ - status = packet[0] & FTDI_STATUS_B0_MASK; + status = buf[0] & FTDI_STATUS_B0_MASK; if (status != priv->prev_status) { char diff_status = status ^ priv->prev_status; @@ -2092,13 +2092,12 @@ static int ftdi_process_packet(struct usb_serial_port *port, } /* save if the transmitter is empty or not */ - if (packet[1] & FTDI_RS_TEMT) + if (buf[1] & FTDI_RS_TEMT) priv->transmit_empty = 1; else priv->transmit_empty = 0; - len -= 2; - if (!len) + if (len == 2) return 0; /* status only */ /* @@ -2106,40 +2105,41 @@ static int ftdi_process_packet(struct usb_serial_port *port, * data payload to avoid over-reporting. */ flag = TTY_NORMAL; - if (packet[1] & FTDI_RS_ERR_MASK) { + if (buf[1] & FTDI_RS_ERR_MASK) { /* Break takes precedence over parity, which takes precedence * over framing errors */ - if (packet[1] & FTDI_RS_BI) { + if (buf[1] & FTDI_RS_BI) { flag = TTY_BREAK; port->icount.brk++; usb_serial_handle_break(port); - } else if (packet[1] & FTDI_RS_PE) { + } else if (buf[1] & FTDI_RS_PE) { flag = TTY_PARITY; port->icount.parity++; - } else if (packet[1] & FTDI_RS_FE) { + } else if (buf[1] & FTDI_RS_FE) { flag = TTY_FRAME; port->icount.frame++; } /* Overrun is special, not associated with a char */ - if (packet[1] & FTDI_RS_OE) { + if (buf[1] & FTDI_RS_OE) { port->icount.overrun++; tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); } } - port->icount.rx += len; - ch = packet + 2; + port->icount.rx += len - 2; if (port->port.console && port->sysrq) { - for (i = 0; i < len; i++, ch++) { - if (!usb_serial_handle_sysrq_char(port, *ch)) - tty_insert_flip_char(&port->port, *ch, flag); + for (i = 2; i < len; i++) { + if (usb_serial_handle_sysrq_char(port, buf[i])) + continue; + tty_insert_flip_char(&port->port, buf[i], flag); } } else { - tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len); + tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag, + len - 2); } - return len; + return len - 2; } static void ftdi_process_read_urb(struct urb *urb) diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 32a40ab9a385..c33e06752b5f 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -159,6 +159,7 @@ #define XSENS_AWINDA_DONGLE_PID 0x0102 #define XSENS_MTW_PID 0x0200 /* Xsens MTw */ #define XSENS_MTDEVBOARD_PID 0x0300 /* Motion Tracker Development Board */ +#define XSENS_MTIUSBCONVERTER_PID 0x0301 /* MTi USB converter */ #define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */ /* Xsens devices using FTDI VID */ diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 2220c1b9df10..c2c50d5d4ad1 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1162,8 +1162,8 @@ static void garmin_read_process(struct garmin_data *garmin_data_p, send it directly to the tty port */ if (garmin_data_p->flags & FLAGS_QUEUING) { pkt_add(garmin_data_p, data, data_length); - } else if (bulk_data || - getLayerId(data) == GARMIN_LAYERID_APPL) { + } else if (bulk_data || (data_length >= sizeof(u32) && + getLayerId(data) == GARMIN_LAYERID_APPL)) { spin_lock_irqsave(&garmin_data_p->lock, flags); garmin_data_p->flags |= APP_RESP_SEEN; diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 7ed7d33d6c10..1a966f25b3ef 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -717,14 +717,16 @@ static int iuu_uart_write(struct tty_struct *tty, struct usb_serial_port *port, struct iuu_private *priv = usb_get_serial_port_data(port); unsigned long flags; - if (count > 256) - return -ENOMEM; - spin_lock_irqsave(&priv->lock, flags); + count = min(count, 256 - priv->writelen); + if (count == 0) + goto out; + /* fill the buffer */ memcpy(priv->writebuf + priv->writelen, buf, count); priv->writelen += count; +out: spin_unlock_irqrestore(&priv->lock, flags); return count; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 737b6652a0b5..8cff50ef4fd1 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -248,6 +248,7 @@ static void option_instat_callback(struct urb *urb); /* These Quectel products use Quectel's vendor ID */ #define QUECTEL_PRODUCT_EC21 0x0121 #define QUECTEL_PRODUCT_EC25 0x0125 +#define QUECTEL_PRODUCT_EG95 0x0195 #define QUECTEL_PRODUCT_BG96 0x0296 #define QUECTEL_PRODUCT_EP06 0x0306 @@ -1095,6 +1096,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25), .driver_info = RSVD(4) }, + { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95), + .driver_info = RSVD(4) }, { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96), .driver_info = RSVD(4) }, { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06), @@ -1146,6 +1149,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1031, 0xff), /* Telit LE910C1-EUX */ + .driver_info = NCTRL(0) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1033, 0xff), /* Telit LE910C1-EUX (ECM) */ + .driver_info = NCTRL(0) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0), .driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1), @@ -1801,6 +1808,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */ .driver_info = RSVD(7) }, + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9205, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT+ECM mode */ + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT-only mode */ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), @@ -2015,6 +2024,9 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) | RSVD(5) }, { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */ .driver_info = RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ + { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */ { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index fb6dc16c754a..11fb4d78e2db 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -159,6 +159,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ + {DEVICE_SWI(0x1199, 0x9062)}, /* Sierra Wireless EM7305 QDL */ {DEVICE_SWI(0x1199, 0x9063)}, /* Sierra Wireless EM7305 */ {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */ {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ @@ -177,6 +178,8 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ {DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */ {DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */ + {DEVICE_SWI(0x413c, 0x81cb)}, /* Dell Wireless 5816e QDL */ + {DEVICE_SWI(0x413c, 0x81cc)}, /* Dell Wireless 5816e */ {DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */ {DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */ {DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */ diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 485bad73b6ed..814a72935a21 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -305,6 +305,10 @@ static void usb_wwan_indat_callback(struct urb *urb) if (status) { dev_dbg(dev, "%s: nonzero status: %d on endpoint %02x.\n", __func__, status, endpoint); + + /* don't resubmit on fatal errors */ + if (status == -ESHUTDOWN || status == -ENOENT) + return; } else { if (urb->actual_length) { tty_insert_flip_string(&port->port, data, diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index b38d9f162123..34dcd2e1b4fe 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -82,6 +82,19 @@ static void uas_free_streams(struct uas_dev_info *devinfo); static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix, int status); +/* + * This driver needs its own workqueue, as we need to control memory allocation. + * + * In the course of error handling and power management uas_wait_for_pending_cmnds() + * needs to flush pending work items. In these contexts we cannot allocate memory + * by doing block IO as we would deadlock. For the same reason we cannot wait + * for anything allocating memory not heeding these constraints. + * + * So we have to control all work items that can be on the workqueue we flush. + * Hence we cannot share a queue and need our own. + */ +static struct workqueue_struct *workqueue; + static void uas_do_work(struct work_struct *work) { struct uas_dev_info *devinfo = @@ -110,7 +123,7 @@ static void uas_do_work(struct work_struct *work) if (!err) cmdinfo->state &= ~IS_IN_WORK_LIST; else - schedule_work(&devinfo->work); + queue_work(workqueue, &devinfo->work); } out: spin_unlock_irqrestore(&devinfo->lock, flags); @@ -135,7 +148,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo) lockdep_assert_held(&devinfo->lock); cmdinfo->state |= IS_IN_WORK_LIST; - schedule_work(&devinfo->work); + queue_work(workqueue, &devinfo->work); } static void uas_zap_pending(struct uas_dev_info *devinfo, int result) @@ -191,6 +204,9 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix, struct uas_cmd_info *ci = (void *)&cmnd->SCp; struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + if (status == -ENODEV) /* too late */ + return; + scmd_printk(KERN_INFO, cmnd, "%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ", prefix, status, cmdinfo->uas_tag, @@ -630,8 +646,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, if (devinfo->resetting) { cmnd->result = DID_ERROR << 16; cmnd->scsi_done(cmnd); - spin_unlock_irqrestore(&devinfo->lock, flags); - return 0; + goto zombie; } /* Find a free uas-tag */ @@ -666,6 +681,16 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB); err = uas_submit_urbs(cmnd, devinfo, GFP_ATOMIC); + /* + * in case of fatal errors the SCSI layer is peculiar + * a command that has finished is a success for the purpose + * of queueing, no matter how fatal the error + */ + if (err == -ENODEV) { + cmnd->result = DID_ERROR << 16; + cmnd->scsi_done(cmnd); + goto zombie; + } if (err) { /* If we did nothing, give up now */ if (cmdinfo->state & SUBMIT_STATUS_URB) { @@ -676,6 +701,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, } devinfo->cmnd[idx] = cmnd; +zombie: spin_unlock_irqrestore(&devinfo->lock, flags); return 0; } @@ -1173,7 +1199,31 @@ static struct usb_driver uas_driver = { .id_table = uas_usb_ids, }; -module_usb_driver(uas_driver); +static int __init uas_init(void) +{ + int rv; + + workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0); + if (!workqueue) + return -ENOMEM; + + rv = usb_register(&uas_driver); + if (rv) { + destroy_workqueue(workqueue); + return -ENOMEM; + } + + return 0; +} + +static void __exit uas_exit(void) +{ + usb_deregister(&uas_driver); + destroy_workqueue(workqueue); +} + +module_init(uas_init); +module_exit(uas_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR( diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 2e0a8088ffe2..2c2ac15d2554 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2208,6 +2208,13 @@ UNUSUAL_DEV( 0x3340, 0xffff, 0x0000, 0x0000, USB_SC_DEVICE,USB_PR_DEVICE,NULL, US_FL_MAX_SECTORS_64 ), +/* Reported by Cyril Roelandt <tipecaml@gmail.com> */ +UNUSUAL_DEV( 0x357d, 0x7788, 0x0114, 0x0114, + "JMicron", + "USB to ATA/ATAPI Bridge", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BROKEN_FUA | US_FL_IGNORE_UAS ), + /* Reported by Andrey Rahmatullin <wrar@altlinux.org> */ UNUSUAL_DEV( 0x4102, 0x1020, 0x0100, 0x0100, "iRiver", diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index 9aad6825947c..b7171c19fca2 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -40,6 +40,20 @@ * and don't forget to CC: the USB development list <linux-usb@vger.kernel.org> */ +/* Reported-by: Till Dörges <doerges@pre-sense.de> */ +UNUSUAL_DEV(0x054c, 0x087d, 0x0000, 0x9999, + "Sony", + "PSZ-HA*", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + +/* Reported-by: Julian Groß <julian.g@posteo.de> */ +UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999, + "LaCie", + "2Big Quadra USB3", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + /* * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI * commands in UAS mode. Observed with the 1.28 firmware; are there others? @@ -148,6 +162,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA), +/* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */ +UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999, + "PNY", + "Pro Elite SSD", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999, "VIA", diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index ad5929fbceb1..666b234acca0 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -698,7 +698,8 @@ static int vfio_vpd_config_write(struct vfio_pci_device *vdev, int pos, if (pci_write_vpd(pdev, addr & ~PCI_VPD_ADDR_F, 4, &data) != 4) return count; } else { - if (pci_read_vpd(pdev, addr, 4, &data) != 4) + data = 0; + if (pci_read_vpd(pdev, addr, 4, &data) < 0) return count; *pdata = cpu_to_le32(data); } @@ -1404,7 +1405,12 @@ static int vfio_cap_init(struct vfio_pci_device *vdev) if (ret) return ret; - if (cap <= PCI_CAP_ID_MAX) { + /* + * ID 0 is a NULL capability, conflicting with our fake + * PCI_CAP_ID_BASIC. As it has no content, consider it + * hidden for now. + */ + if (cap && cap <= PCI_CAP_ID_MAX) { len = pci_cap_length[cap]; if (len == 0xFF) { /* Variable length */ len = vfio_cap_len(vdev, cap, pos); @@ -1643,8 +1649,11 @@ void vfio_config_free(struct vfio_pci_device *vdev) vdev->vconfig = NULL; kfree(vdev->pci_config_map); vdev->pci_config_map = NULL; - kfree(vdev->msi_perm); - vdev->msi_perm = NULL; + if (vdev->msi_perm) { + free_perm_bits(vdev->msi_perm); + kfree(vdev->msi_perm); + vdev->msi_perm = NULL; + } } /* diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c index da5356f48d0b..d4030d0c38e9 100644 --- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c +++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c @@ -110,7 +110,7 @@ int vfio_platform_amdxgbe_reset(struct vfio_platform_device *vdev) usleep_range(10, 15); count = 2000; - while (count-- && (ioread32(xgmac_regs->ioaddr + DMA_MR) & 1)) + while (--count && (ioread32(xgmac_regs->ioaddr + DMA_MR) & 1)) usleep_range(500, 600); if (!count) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 875634d0d020..d394911ec0c9 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -227,8 +227,8 @@ static int vaddr_get_pfn(unsigned long vaddr, int prot, unsigned long *pfn) vma = find_vma_intersection(current->mm, vaddr, vaddr + 1); if (vma && vma->vm_flags & VM_PFNMAP) { - *pfn = ((vaddr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; - if (is_invalid_reserved_pfn(*pfn)) + if (!follow_pfn(vma, vaddr, pfn) && + is_invalid_reserved_pfn(*pfn)) ret = 0; } diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index 38da6e299149..c31715019cb4 100644 --- a/drivers/video/console/Kconfig +++ b/drivers/video/console/Kconfig @@ -22,31 +22,6 @@ config VGA_CONSOLE Say Y. -config VGACON_SOFT_SCROLLBACK - bool "Enable Scrollback Buffer in System RAM" - depends on VGA_CONSOLE - default n - help - The scrollback buffer of the standard VGA console is located in - the VGA RAM. The size of this RAM is fixed and is quite small. - If you require a larger scrollback buffer, this can be placed in - System RAM which is dynamically allocated during initialization. - Placing the scrollback buffer in System RAM will slightly slow - down the console. - - If you want this feature, say 'Y' here and enter the amount of - RAM to allocate for this buffer. If unsure, say 'N'. - -config VGACON_SOFT_SCROLLBACK_SIZE - int "Scrollback Buffer Size (in KB)" - depends on VGACON_SOFT_SCROLLBACK - range 1 1024 - default "64" - help - Enter the amount of System RAM to allocate for the scrollback - buffer. Each 64KB will give you approximately 16 80x25 - screenfuls of scrollback buffer - config MDA_CONSOLE depends on !M68K && !PARISC && ISA tristate "MDA text console (dual-headed)" diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c index dbfe4eecf12e..a7ab8323304d 100644 --- a/drivers/video/console/bitblit.c +++ b/drivers/video/console/bitblit.c @@ -216,7 +216,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, region.color = 0; region.rop = ROP_COPY; - if (rw && !bottom_only) { + if ((int) rw > 0 && !bottom_only) { region.dx = info->var.xoffset + rs; region.dy = 0; region.width = rw; @@ -224,7 +224,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, info->fbops->fb_fillrect(info, ®ion); } - if (bh) { + if ((int) bh > 0) { region.dx = info->var.xoffset; region.dy = info->var.yoffset + bs; region.width = rs; @@ -234,7 +234,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, } static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -247,15 +247,6 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height)); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index c03c5b9602bb..e57fa26bcff1 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -101,12 +101,6 @@ static int logo_lines; /* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO enums. */ static int logo_shown = FBCON_LOGO_CANSHOW; -/* Software scrollback */ -static int fbcon_softback_size = 32768; -static unsigned long softback_buf, softback_curr; -static unsigned long softback_in; -static unsigned long softback_top, softback_end; -static int softback_lines; /* console mappings */ static int first_fb_vc; static int last_fb_vc = MAX_NR_CONSOLES - 1; @@ -140,8 +134,6 @@ static int fbcon_has_sysfs; static const struct consw fb_con; -#define CM_SOFTBACK (8) - #define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) * vc->vc_size_row) static int fbcon_set_origin(struct vc_data *); @@ -171,7 +163,6 @@ static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx, static int fbcon_switch(struct vc_data *vc); static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch); static int fbcon_set_palette(struct vc_data *vc, unsigned char *table); -static int fbcon_scrolldelta(struct vc_data *vc, int lines); /* * Internal routines @@ -350,18 +341,6 @@ static int get_color(struct vc_data *vc, struct fb_info *info, return color; } -static void fbcon_update_softback(struct vc_data *vc) -{ - int l = fbcon_softback_size / vc->vc_size_row; - - if (l > 5) - softback_end = softback_buf + l * vc->vc_size_row; - else - /* Smaller scrollback makes no sense, and 0 would screw - the operation totally */ - softback_top = 0; -} - static void fb_flashcursor(struct work_struct *work) { struct fb_info *info = container_of(work, struct fb_info, queue); @@ -391,7 +370,7 @@ static void fb_flashcursor(struct work_struct *work) c = scr_readw((u16 *) vc->vc_pos); mode = (!ops->cursor_flash || ops->cursor_state.enable) ? CM_ERASE : CM_DRAW; - ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1), + ops->cursor(vc, info, mode, get_color(vc, info, c, 1), get_color(vc, info, c, 0)); console_unlock(); } @@ -451,13 +430,7 @@ static int __init fb_console_setup(char *this_opt) } if (!strncmp(options, "scrollback:", 11)) { - options += 11; - if (*options) { - fbcon_softback_size = simple_strtoul(options, &options, 0); - if (*options == 'k' || *options == 'K') { - fbcon_softback_size *= 1024; - } - } + pr_warn("Ignoring scrollback size option\n"); continue; } @@ -962,31 +935,6 @@ static const char *fbcon_startup(void) p->con_rotate = initial_rotation; set_blitting_type(vc, info); - if (info->fix.type != FB_TYPE_TEXT) { - if (fbcon_softback_size) { - if (!softback_buf) { - softback_buf = - (unsigned long) - kmalloc(fbcon_softback_size, - GFP_KERNEL); - if (!softback_buf) { - fbcon_softback_size = 0; - softback_top = 0; - } - } - } else { - if (softback_buf) { - kfree((void *) softback_buf); - softback_buf = 0; - softback_top = 0; - } - } - if (softback_buf) - softback_in = softback_top = softback_curr = - softback_buf; - softback_lines = 0; - } - /* Setup default font */ if (!p->fontdata && !vc->vc_font.data) { if (!fontname[0] || !(font = find_font(fontname))) @@ -1149,9 +1097,6 @@ static void fbcon_init(struct vc_data *vc, int init) if (logo) fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows); - if (vc == svc && softback_buf) - fbcon_update_softback(vc); - if (ops->rotate_font && ops->rotate_font(info, vc)) { ops->rotate = FB_ROTATE_UR; set_blitting_type(vc, info); @@ -1311,7 +1256,6 @@ static void fbcon_cursor(struct vc_data *vc, int mode) { struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; struct fbcon_ops *ops = info->fbcon_par; - int y; int c = scr_readw((u16 *) vc->vc_pos); ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); @@ -1325,16 +1269,8 @@ static void fbcon_cursor(struct vc_data *vc, int mode) fbcon_add_cursor_timer(info); ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1; - if (mode & CM_SOFTBACK) { - mode &= ~CM_SOFTBACK; - y = softback_lines; - } else { - if (softback_lines) - fbcon_set_origin(vc); - y = 0; - } - ops->cursor(vc, info, mode, y, get_color(vc, info, c, 1), + ops->cursor(vc, info, mode, get_color(vc, info, c, 1), get_color(vc, info, c, 0)); } @@ -1405,8 +1341,6 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var, if (CON_IS_VISIBLE(vc)) { update_screen(vc); - if (softback_buf) - fbcon_update_softback(vc); } } @@ -1544,99 +1478,6 @@ static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count) scrollback_current = 0; } -static void fbcon_redraw_softback(struct vc_data *vc, struct display *p, - long delta) -{ - int count = vc->vc_rows; - unsigned short *d, *s; - unsigned long n; - int line = 0; - - d = (u16 *) softback_curr; - if (d == (u16 *) softback_in) - d = (u16 *) vc->vc_origin; - n = softback_curr + delta * vc->vc_size_row; - softback_lines -= delta; - if (delta < 0) { - if (softback_curr < softback_top && n < softback_buf) { - n += softback_end - softback_buf; - if (n < softback_top) { - softback_lines -= - (softback_top - n) / vc->vc_size_row; - n = softback_top; - } - } else if (softback_curr >= softback_top - && n < softback_top) { - softback_lines -= - (softback_top - n) / vc->vc_size_row; - n = softback_top; - } - } else { - if (softback_curr > softback_in && n >= softback_end) { - n += softback_buf - softback_end; - if (n > softback_in) { - n = softback_in; - softback_lines = 0; - } - } else if (softback_curr <= softback_in && n > softback_in) { - n = softback_in; - softback_lines = 0; - } - } - if (n == softback_curr) - return; - softback_curr = n; - s = (u16 *) softback_curr; - if (s == (u16 *) softback_in) - s = (u16 *) vc->vc_origin; - while (count--) { - unsigned short *start; - unsigned short *le; - unsigned short c; - int x = 0; - unsigned short attr = 1; - - start = s; - le = advance_row(s, 1); - do { - c = scr_readw(s); - if (attr != (c & 0xff00)) { - attr = c & 0xff00; - if (s > start) { - fbcon_putcs(vc, start, s - start, - line, x); - x += s - start; - start = s; - } - } - if (c == scr_readw(d)) { - if (s > start) { - fbcon_putcs(vc, start, s - start, - line, x); - x += s - start + 1; - start = s + 1; - } else { - x++; - start++; - } - } - s++; - d++; - } while (s < le); - if (s > start) - fbcon_putcs(vc, start, s - start, line, x); - line++; - if (d == (u16 *) softback_end) - d = (u16 *) softback_buf; - if (d == (u16 *) softback_in) - d = (u16 *) vc->vc_origin; - if (s == (u16 *) softback_end) - s = (u16 *) softback_buf; - if (s == (u16 *) softback_in) - s = (u16 *) vc->vc_origin; - } -} - static void fbcon_redraw_move(struct vc_data *vc, struct display *p, int line, int count, int dy) { @@ -1776,31 +1617,6 @@ static void fbcon_redraw(struct vc_data *vc, struct display *p, } } -static inline void fbcon_softback_note(struct vc_data *vc, int t, - int count) -{ - unsigned short *p; - - if (vc->vc_num != fg_console) - return; - p = (unsigned short *) (vc->vc_origin + t * vc->vc_size_row); - - while (count) { - scr_memcpyw((u16 *) softback_in, p, vc->vc_size_row); - count--; - p = advance_row(p, 1); - softback_in += vc->vc_size_row; - if (softback_in == softback_end) - softback_in = softback_buf; - if (softback_in == softback_top) { - softback_top += vc->vc_size_row; - if (softback_top == softback_end) - softback_top = softback_buf; - } - } - softback_curr = softback_in; -} - static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, int count) { @@ -1823,8 +1639,6 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, case SM_UP: if (count > vc->vc_rows) /* Maximum realistic size */ count = vc->vc_rows; - if (softback_top) - fbcon_softback_note(vc, t, count); if (logo_shown >= 0) goto redraw_up; switch (p->scrollmode) { @@ -2117,6 +1931,9 @@ static void updatescrollmode(struct display *p, } } +#define PITCH(w) (((w) + 7) >> 3) +#define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */ + static int fbcon_resize(struct vc_data *vc, unsigned int width, unsigned int height, unsigned int user) { @@ -2126,6 +1943,24 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width, struct fb_var_screeninfo var = info->var; int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh; + if (p->userfont && FNTSIZE(vc->vc_font.data)) { + int size; + int pitch = PITCH(vc->vc_font.width); + + /* + * If user font, ensure that a possible change to user font + * height or width will not allow a font data out-of-bounds access. + * NOTE: must use original charcount in calculation as font + * charcount can change and cannot be used to determine the + * font data allocated size. + */ + if (pitch <= 0) + return -EINVAL; + size = CALC_FONTSZ(vc->vc_font.height, pitch, FNTCHARCNT(vc->vc_font.data)); + if (size > FNTSIZE(vc->vc_font.data)) + return -EINVAL; + } + virt_w = FBCON_SWAP(ops->rotate, width, height); virt_h = FBCON_SWAP(ops->rotate, height, width); virt_fw = FBCON_SWAP(ops->rotate, vc->vc_font.width, @@ -2174,14 +2009,6 @@ static int fbcon_switch(struct vc_data *vc) info = registered_fb[con2fb_map[vc->vc_num]]; ops = info->fbcon_par; - if (softback_top) { - if (softback_lines) - fbcon_set_origin(vc); - softback_top = softback_curr = softback_in = softback_buf; - softback_lines = 0; - fbcon_update_softback(vc); - } - if (logo_shown >= 0) { struct vc_data *conp2 = vc_cons[logo_shown].d; @@ -2515,9 +2342,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, int cnt; char *old_data = NULL; - if (CON_IS_VISIBLE(vc) && softback_lines) - fbcon_set_origin(vc); - resize = (w != vc->vc_font.width) || (h != vc->vc_font.height); if (p->userfont) old_data = vc->vc_font.data; @@ -2543,8 +2367,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, cols /= w; rows /= h; vc_resize(vc, cols, rows); - if (CON_IS_VISIBLE(vc) && softback_buf) - fbcon_update_softback(vc); } else if (CON_IS_VISIBLE(vc) && vc->vc_mode == KD_TEXT) { fbcon_clear_margins(vc, 0); @@ -2587,7 +2409,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font, unsigne int size; int i, csum; u8 *new_data, *data = font->data; - int pitch = (font->width+7) >> 3; + int pitch = PITCH(font->width); /* Is there a reason why fbconsole couldn't handle any charcount >256? * If not this check should be changed to charcount < 256 */ @@ -2603,7 +2425,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font, unsigne if (fbcon_invalid_charcount(info, charcount)) return -EINVAL; - size = h * pitch * charcount; + size = CALC_FONTSZ(h, pitch, charcount); new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, GFP_USER); @@ -2702,19 +2524,7 @@ static int fbcon_set_palette(struct vc_data *vc, unsigned char *table) static u16 *fbcon_screen_pos(struct vc_data *vc, int offset) { - unsigned long p; - int line; - - if (vc->vc_num != fg_console || !softback_lines) - return (u16 *) (vc->vc_origin + offset); - line = offset / vc->vc_size_row; - if (line >= softback_lines) - return (u16 *) (vc->vc_origin + offset - - softback_lines * vc->vc_size_row); - p = softback_curr + offset; - if (p >= softback_end) - p += softback_buf - softback_end; - return (u16 *) p; + return (u16 *) (vc->vc_origin + offset); } static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos, @@ -2728,22 +2538,7 @@ static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos, x = offset % vc->vc_cols; y = offset / vc->vc_cols; - if (vc->vc_num == fg_console) - y += softback_lines; ret = pos + (vc->vc_cols - x) * 2; - } else if (vc->vc_num == fg_console && softback_lines) { - unsigned long offset = pos - softback_curr; - - if (pos < softback_curr) - offset += softback_end - softback_buf; - offset /= 2; - x = offset % vc->vc_cols; - y = offset / vc->vc_cols; - ret = pos + (vc->vc_cols - x) * 2; - if (ret == softback_end) - ret = softback_buf; - if (ret == softback_in) - ret = vc->vc_origin; } else { /* Should not happen */ x = y = 0; @@ -2771,107 +2566,11 @@ static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt) a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4); scr_writew(a, p++); - if (p == (u16 *) softback_end) - p = (u16 *) softback_buf; - if (p == (u16 *) softback_in) - p = (u16 *) vc->vc_origin; } } -static int fbcon_scrolldelta(struct vc_data *vc, int lines) -{ - struct fb_info *info = registered_fb[con2fb_map[fg_console]]; - struct fbcon_ops *ops = info->fbcon_par; - struct display *disp = &fb_display[fg_console]; - int offset, limit, scrollback_old; - - if (softback_top) { - if (vc->vc_num != fg_console) - return 0; - if (vc->vc_mode != KD_TEXT || !lines) - return 0; - if (logo_shown >= 0) { - struct vc_data *conp2 = vc_cons[logo_shown].d; - - if (conp2->vc_top == logo_lines - && conp2->vc_bottom == conp2->vc_rows) - conp2->vc_top = 0; - if (logo_shown == vc->vc_num) { - unsigned long p, q; - int i; - - p = softback_in; - q = vc->vc_origin + - logo_lines * vc->vc_size_row; - for (i = 0; i < logo_lines; i++) { - if (p == softback_top) - break; - if (p == softback_buf) - p = softback_end; - p -= vc->vc_size_row; - q -= vc->vc_size_row; - scr_memcpyw((u16 *) q, (u16 *) p, - vc->vc_size_row); - } - softback_in = softback_curr = p; - update_region(vc, vc->vc_origin, - logo_lines * vc->vc_cols); - } - logo_shown = FBCON_LOGO_CANSHOW; - } - fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK); - fbcon_redraw_softback(vc, disp, lines); - fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK); - return 0; - } - - if (!scrollback_phys_max) - return -ENOSYS; - - scrollback_old = scrollback_current; - scrollback_current -= lines; - if (scrollback_current < 0) - scrollback_current = 0; - else if (scrollback_current > scrollback_max) - scrollback_current = scrollback_max; - if (scrollback_current == scrollback_old) - return 0; - - if (fbcon_is_inactive(vc, info)) - return 0; - - fbcon_cursor(vc, CM_ERASE); - - offset = disp->yscroll - scrollback_current; - limit = disp->vrows; - switch (disp->scrollmode) { - case SCROLL_WRAP_MOVE: - info->var.vmode |= FB_VMODE_YWRAP; - break; - case SCROLL_PAN_MOVE: - case SCROLL_PAN_REDRAW: - limit -= vc->vc_rows; - info->var.vmode &= ~FB_VMODE_YWRAP; - break; - } - if (offset < 0) - offset += limit; - else if (offset >= limit) - offset -= limit; - - ops->var.xoffset = 0; - ops->var.yoffset = offset * vc->vc_font.height; - ops->update_start(info); - - if (!scrollback_current) - fbcon_cursor(vc, CM_DRAW); - return 0; -} - static int fbcon_set_origin(struct vc_data *vc) { - if (softback_lines) - fbcon_scrolldelta(vc, softback_lines); return 0; } @@ -2935,8 +2634,6 @@ static void fbcon_modechanged(struct fb_info *info) fbcon_set_palette(vc, color_table); update_screen(vc); - if (softback_buf) - fbcon_update_softback(vc); } } @@ -3357,7 +3054,6 @@ static const struct consw fb_con = { .con_font_default = fbcon_set_def_font, .con_font_copy = fbcon_copy_font, .con_set_palette = fbcon_set_palette, - .con_scrolldelta = fbcon_scrolldelta, .con_set_origin = fbcon_set_origin, .con_invert_region = fbcon_invert_region, .con_screen_pos = fbcon_screen_pos, @@ -3566,9 +3262,6 @@ static void fbcon_exit(void) if (fbcon_has_exited) return; - kfree((void *)softback_buf); - softback_buf = 0UL; - for (i = 0; i < FB_MAX; i++) { int pending = 0; diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index 7aaa4eabbba0..5ebdccd070eb 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -62,7 +62,7 @@ struct fbcon_ops { void (*clear_margins)(struct vc_data *vc, struct fb_info *info, int bottom_only); void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg); + int fg, int bg); int (*update_start)(struct fb_info *info); int (*rotate_font)(struct fb_info *info, struct vc_data *vc); struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */ diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c index 5a3cbf6dff4d..586702752005 100644 --- a/drivers/video/console/fbcon_ccw.c +++ b/drivers/video/console/fbcon_ccw.c @@ -201,7 +201,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info, region.color = 0; region.rop = ROP_COPY; - if (rw && !bottom_only) { + if ((int) rw > 0 && !bottom_only) { region.dx = 0; region.dy = info->var.yoffset; region.height = rw; @@ -209,7 +209,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info, info->fbops->fb_fillrect(info, ®ion); } - if (bh) { + if ((int) bh > 0) { region.dx = info->var.xoffset + bs; region.dy = 0; region.height = info->var.yres_virtual; @@ -219,7 +219,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info, } static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -236,15 +236,6 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c index e7ee44db4e98..f5a1134049f8 100644 --- a/drivers/video/console/fbcon_cw.c +++ b/drivers/video/console/fbcon_cw.c @@ -184,7 +184,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info, region.color = 0; region.rop = ROP_COPY; - if (rw && !bottom_only) { + if ((int) rw > 0 && !bottom_only) { region.dx = 0; region.dy = info->var.yoffset + rs; region.height = rw; @@ -192,7 +192,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info, info->fbops->fb_fillrect(info, ®ion); } - if (bh) { + if ((int) bh > 0) { region.dx = info->var.xoffset; region.dy = info->var.yoffset; region.height = info->var.yres; @@ -202,7 +202,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info, } static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -219,15 +219,6 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width)); diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c index 19e3714abfe8..cf8dac9ca2bb 100644 --- a/drivers/video/console/fbcon_ud.c +++ b/drivers/video/console/fbcon_ud.c @@ -231,7 +231,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info, region.color = 0; region.rop = ROP_COPY; - if (rw && !bottom_only) { + if ((int) rw > 0 && !bottom_only) { region.dy = 0; region.dx = info->var.xoffset; region.width = rw; @@ -239,7 +239,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info, info->fbops->fb_fillrect(info, ®ion); } - if (bh) { + if ((int) bh > 0) { region.dy = info->var.yoffset; region.dx = info->var.xoffset; region.height = bh; @@ -249,7 +249,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info, } static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_cursor cursor; struct fbcon_ops *ops = info->fbcon_par; @@ -267,15 +267,6 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, cursor.set = 0; - if (softback_lines) { - if (y + softback_lines >= vc->vc_rows) { - mode = CM_ERASE; - ops->cursor_flash = 0; - return; - } else - y += softback_lines; - } - c = scr_readw((u16 *) vc->vc_pos); attribute = get_attribute(info, c); src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height)); diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index bb4e96255974..bd0c6e53bec1 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -31,6 +31,8 @@ #include <linux/linux_logo.h> #include <linux/font.h> +#define NEWPORT_LEN 0x10000 + #define FONT_DATA ((unsigned char *)font_vga_8x16.data) /* borrowed from fbcon.c */ @@ -42,6 +44,7 @@ static unsigned char *font_data[MAX_NR_CONSOLES]; static struct newport_regs *npregs; +static unsigned long newport_addr; static int logo_active; static int topscan; @@ -743,7 +746,6 @@ const struct consw newport_con = { static int newport_probe(struct gio_device *dev, const struct gio_device_id *id) { - unsigned long newport_addr; int err; if (!dev->resource.start) @@ -753,7 +755,7 @@ static int newport_probe(struct gio_device *dev, return -EBUSY; /* we only support one Newport as console */ newport_addr = dev->resource.start + 0xF0000; - if (!request_mem_region(newport_addr, 0x10000, "Newport")) + if (!request_mem_region(newport_addr, NEWPORT_LEN, "Newport")) return -ENODEV; npregs = (struct newport_regs *)/* ioremap cannot fail */ @@ -761,6 +763,11 @@ static int newport_probe(struct gio_device *dev, console_lock(); err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1); console_unlock(); + + if (err) { + iounmap((void *)npregs); + release_mem_region(newport_addr, NEWPORT_LEN); + } return err; } @@ -768,6 +775,7 @@ static void newport_remove(struct gio_device *dev) { give_up_console(&newport_con); iounmap((void *)npregs); + release_mem_region(newport_addr, NEWPORT_LEN); } static struct gio_device_id newport_ids[] = { diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c index 15e8e1a89c45..3c0b242dba5f 100644 --- a/drivers/video/console/tileblit.c +++ b/drivers/video/console/tileblit.c @@ -80,7 +80,7 @@ static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, } static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, - int softback_lines, int fg, int bg) + int fg, int bg) { struct fb_tilecursor cursor; int use_sw = (vc->vc_cursor_type & 0x10); diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index e5231dd55e6e..c35ae8c732f6 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -180,155 +180,6 @@ static inline void vga_set_mem_top(struct vc_data *c) write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2); } -#ifdef CONFIG_VGACON_SOFT_SCROLLBACK -/* software scrollback */ -static void *vgacon_scrollback; -static int vgacon_scrollback_tail; -static int vgacon_scrollback_size; -static int vgacon_scrollback_rows; -static int vgacon_scrollback_cnt; -static int vgacon_scrollback_cur; -static int vgacon_scrollback_save; -static int vgacon_scrollback_restore; - -static void vgacon_scrollback_init(int pitch) -{ - int rows = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024/pitch; - - if (vgacon_scrollback) { - vgacon_scrollback_cnt = 0; - vgacon_scrollback_tail = 0; - vgacon_scrollback_cur = 0; - vgacon_scrollback_rows = rows - 1; - vgacon_scrollback_size = rows * pitch; - } -} - -static void vgacon_scrollback_startup(void) -{ - vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT); - vgacon_scrollback_init(vga_video_num_columns * 2); -} - -static void vgacon_scrollback_update(struct vc_data *c, int t, int count) -{ - void *p; - - if (!vgacon_scrollback_size || c->vc_num != fg_console) - return; - - p = (void *) (c->vc_origin + t * c->vc_size_row); - - while (count--) { - scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail, - p, c->vc_size_row); - vgacon_scrollback_cnt++; - p += c->vc_size_row; - vgacon_scrollback_tail += c->vc_size_row; - - if (vgacon_scrollback_tail >= vgacon_scrollback_size) - vgacon_scrollback_tail = 0; - - if (vgacon_scrollback_cnt > vgacon_scrollback_rows) - vgacon_scrollback_cnt = vgacon_scrollback_rows; - - vgacon_scrollback_cur = vgacon_scrollback_cnt; - } -} - -static void vgacon_restore_screen(struct vc_data *c) -{ - vgacon_scrollback_save = 0; - - if (!vga_is_gfx && !vgacon_scrollback_restore) { - scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf, - c->vc_screenbuf_size > vga_vram_size ? - vga_vram_size : c->vc_screenbuf_size); - vgacon_scrollback_restore = 1; - vgacon_scrollback_cur = vgacon_scrollback_cnt; - } -} - -static int vgacon_scrolldelta(struct vc_data *c, int lines) -{ - int start, end, count, soff; - - if (!lines) { - c->vc_visible_origin = c->vc_origin; - vga_set_mem_top(c); - return 1; - } - - if (!vgacon_scrollback) - return 1; - - if (!vgacon_scrollback_save) { - vgacon_cursor(c, CM_ERASE); - vgacon_save_screen(c); - vgacon_scrollback_save = 1; - } - - vgacon_scrollback_restore = 0; - start = vgacon_scrollback_cur + lines; - end = start + abs(lines); - - if (start < 0) - start = 0; - - if (start > vgacon_scrollback_cnt) - start = vgacon_scrollback_cnt; - - if (end < 0) - end = 0; - - if (end > vgacon_scrollback_cnt) - end = vgacon_scrollback_cnt; - - vgacon_scrollback_cur = start; - count = end - start; - soff = vgacon_scrollback_tail - ((vgacon_scrollback_cnt - end) * - c->vc_size_row); - soff -= count * c->vc_size_row; - - if (soff < 0) - soff += vgacon_scrollback_size; - - count = vgacon_scrollback_cnt - start; - - if (count > c->vc_rows) - count = c->vc_rows; - - if (count) { - int copysize; - - int diff = c->vc_rows - count; - void *d = (void *) c->vc_origin; - void *s = (void *) c->vc_screenbuf; - - count *= c->vc_size_row; - /* how much memory to end of buffer left? */ - copysize = min(count, vgacon_scrollback_size - soff); - scr_memcpyw(d, vgacon_scrollback + soff, copysize); - d += copysize; - count -= copysize; - - if (count) { - scr_memcpyw(d, vgacon_scrollback, count); - d += count; - } - - if (diff) - scr_memcpyw(d, s, diff * c->vc_size_row); - } else - vgacon_cursor(c, CM_MOVE); - - return 1; -} -#else -#define vgacon_scrollback_startup(...) do { } while (0) -#define vgacon_scrollback_init(...) do { } while (0) -#define vgacon_scrollback_update(...) do { } while (0) - static void vgacon_restore_screen(struct vc_data *c) { if (c->vc_origin != c->vc_visible_origin) @@ -365,7 +216,6 @@ static int vgacon_scrolldelta(struct vc_data *c, int lines) vga_set_mem_top(c); return 1; } -#endif /* CONFIG_VGACON_SOFT_SCROLLBACK */ static const char *vgacon_startup(void) { @@ -562,10 +412,7 @@ static const char *vgacon_startup(void) vgacon_xres = screen_info.orig_video_cols * VGA_FONTWIDTH; vgacon_yres = vga_scan_lines; - if (!vga_init_done) { - vgacon_scrollback_startup(); - vga_init_done = 1; - } + vga_init_done = 1; return display_desc; } @@ -861,7 +708,6 @@ static int vgacon_switch(struct vc_data *c) vgacon_doresize(c, c->vc_cols, c->vc_rows); } - vgacon_scrollback_init(c->vc_size_row); return 0; /* Redrawing not needed */ } @@ -1394,7 +1240,6 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, oldo = c->vc_origin; delta = lines * c->vc_size_row; if (dir == SM_UP) { - vgacon_scrollback_update(c, t, lines); if (c->vc_scr_end + delta >= vga_vram_end) { scr_memcpyw((u16 *) vga_vram_base, (u16 *) (oldo + delta), diff --git a/drivers/video/fbdev/geode/video_gx.c b/drivers/video/fbdev/geode/video_gx.c index 6082f653c68a..67773e8bbb95 100644 --- a/drivers/video/fbdev/geode/video_gx.c +++ b/drivers/video/fbdev/geode/video_gx.c @@ -127,7 +127,7 @@ void gx_set_dclk_frequency(struct fb_info *info) int timeout = 1000; /* Rev. 1 Geode GXs use a 14 MHz reference clock instead of 48 MHz. */ - if (cpu_data(0).x86_mask == 1) { + if (cpu_data(0).x86_stepping == 1) { pll_table = gx_pll_table_14MHz; pll_table_len = ARRAY_SIZE(gx_pll_table_14MHz); } else { diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c index db023a97d1ea..e243254a5721 100644 --- a/drivers/video/fbdev/neofb.c +++ b/drivers/video/fbdev/neofb.c @@ -1820,6 +1820,7 @@ static int neo_scan_monitor(struct fb_info *info) #else printk(KERN_ERR "neofb: Only 640x480, 800x600/480 and 1024x768 panels are currently supported\n"); + kfree(info->monspecs.modedb); return -1; #endif default: diff --git a/drivers/video/fbdev/omap2/dss/dss.c b/drivers/video/fbdev/omap2/dss/dss.c index 9200a8668b49..a57c3a5f4bf8 100644 --- a/drivers/video/fbdev/omap2/dss/dss.c +++ b/drivers/video/fbdev/omap2/dss/dss.c @@ -843,7 +843,7 @@ static const struct dss_features omap34xx_dss_feats = { }; static const struct dss_features omap3630_dss_feats = { - .fck_div_max = 32, + .fck_div_max = 31, .dss_fck_multiplier = 1, .parent_clk_name = "dpll4_ck", .dpi_select_source = &dss_dpi_select_source_omap2_omap3, diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c index 589ac7e75413..c8ee58e0ae3e 100644 --- a/drivers/video/fbdev/sm712fb.c +++ b/drivers/video/fbdev/sm712fb.c @@ -1428,6 +1428,8 @@ static int smtc_map_smem(struct smtcfb_info *sfb, static void smtc_unmap_smem(struct smtcfb_info *sfb) { if (sfb && sfb->fb->screen_base) { + if (sfb->chip_id == 0x720) + sfb->fb->screen_base -= 0x00200000; iounmap(sfb->fb->screen_base); sfb->fb->screen_base = NULL; } diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c index 283d335a759f..1acdb41a8a7c 100644 --- a/drivers/video/fbdev/vga16fb.c +++ b/drivers/video/fbdev/vga16fb.c @@ -1122,7 +1122,7 @@ static void vga_8planes_imageblit(struct fb_info *info, const struct fb_image *i char oldop = setop(0); char oldsr = setsr(0); char oldmask = selectmask(); - const char *cdat = image->data; + const unsigned char *cdat = image->data; u32 dx = image->dx; char __iomem *where; int y; diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c index 10951c82f6ed..7bd4c27cfb14 100644 --- a/drivers/video/fbdev/w100fb.c +++ b/drivers/video/fbdev/w100fb.c @@ -583,6 +583,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par) memsize=par->mach->mem->size; memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_extmem, memsize); vfree(par->saved_extmem); + par->saved_extmem = NULL; } if (par->saved_intmem) { memsize=MEM_INT_SIZE; @@ -591,6 +592,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par) else memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_intmem, memsize); vfree(par->saved_intmem); + par->saved_intmem = NULL; } } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index a01a41a41269..6b3565feddb2 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -603,6 +603,9 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) { struct vring_virtqueue *vq = to_vvq(_vq); + if (unlikely(vq->broken)) + return false; + virtio_mb(vq->weak_barriers); return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, vq->vring.used->idx); } diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c index 4c5c6550809d..457d86592595 100644 --- a/drivers/w1/masters/omap_hdq.c +++ b/drivers/w1/masters/omap_hdq.c @@ -204,7 +204,7 @@ static int hdq_write_byte(struct hdq_data *hdq_data, u8 val, u8 *status) /* check irqstatus */ if (!(*status & OMAP_HDQ_INT_STATUS_TXCOMPLETE)) { dev_dbg(hdq_data->dev, "timeout waiting for" - " TXCOMPLETE/RXCOMPLETE, %x", *status); + " TXCOMPLETE/RXCOMPLETE, %x\n", *status); ret = -ETIMEDOUT; goto out; } @@ -215,7 +215,7 @@ static int hdq_write_byte(struct hdq_data *hdq_data, u8 val, u8 *status) OMAP_HDQ_FLAG_CLEAR, &tmp_status); if (ret) { dev_dbg(hdq_data->dev, "timeout waiting GO bit" - " return to zero, %x", tmp_status); + " return to zero, %x\n", tmp_status); } out: @@ -231,7 +231,7 @@ static irqreturn_t hdq_isr(int irq, void *_hdq) spin_lock_irqsave(&hdq_data->hdq_spinlock, irqflags); hdq_data->hdq_irqstatus = hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); spin_unlock_irqrestore(&hdq_data->hdq_spinlock, irqflags); - dev_dbg(hdq_data->dev, "hdq_isr: %x", hdq_data->hdq_irqstatus); + dev_dbg(hdq_data->dev, "hdq_isr: %x\n", hdq_data->hdq_irqstatus); if (hdq_data->hdq_irqstatus & (OMAP_HDQ_INT_STATUS_TXCOMPLETE | OMAP_HDQ_INT_STATUS_RXCOMPLETE @@ -339,7 +339,7 @@ static int omap_hdq_break(struct hdq_data *hdq_data) tmp_status = hdq_data->hdq_irqstatus; /* check irqstatus */ if (!(tmp_status & OMAP_HDQ_INT_STATUS_TIMEOUT)) { - dev_dbg(hdq_data->dev, "timeout waiting for TIMEOUT, %x", + dev_dbg(hdq_data->dev, "timeout waiting for TIMEOUT, %x\n", tmp_status); ret = -ETIMEDOUT; goto out; @@ -366,7 +366,7 @@ static int omap_hdq_break(struct hdq_data *hdq_data) &tmp_status); if (ret) dev_dbg(hdq_data->dev, "timeout waiting INIT&GO bits" - " return to zero, %x", tmp_status); + " return to zero, %x\n", tmp_status); out: mutex_unlock(&hdq_data->hdq_mutex); diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c index daeb645fcea8..519419136ce8 100644 --- a/drivers/watchdog/da9062_wdt.c +++ b/drivers/watchdog/da9062_wdt.c @@ -94,11 +94,6 @@ static int da9062_wdt_update_timeout_register(struct da9062_watchdog *wdt, unsigned int regval) { struct da9062 *chip = wdt->hw; - int ret; - - ret = da9062_reset_watchdog_timer(wdt); - if (ret) - return ret; return regmap_update_bits(chip->regmap, DA9062AA_CONTROL_D, diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c index 2048aad91add..2b12ef019ae0 100644 --- a/drivers/watchdog/f71808e_wdt.c +++ b/drivers/watchdog/f71808e_wdt.c @@ -642,9 +642,9 @@ static int __init watchdog_init(int sioaddr) * into the module have been registered yet. */ watchdog.sioaddr = sioaddr; - watchdog.ident.options = WDIOC_SETTIMEOUT - | WDIOF_MAGICCLOSE - | WDIOF_KEEPALIVEPING; + watchdog.ident.options = WDIOF_MAGICCLOSE + | WDIOF_KEEPALIVEPING + | WDIOF_CARDRESET; snprintf(watchdog.ident.identity, sizeof(watchdog.ident.identity), "%s watchdog", diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index d6f5a74df973..dff07318d1fb 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -623,11 +623,13 @@ static int add_ballooned_pages(int nr_pages) if (xen_hotplug_unpopulated) { st = reserve_additional_memory(); if (st != BP_ECANCELED) { + int rc; + mutex_unlock(&balloon_mutex); - wait_event(balloon_wq, + rc = wait_event_interruptible(balloon_wq, !list_empty(&ballooned_pages)); mutex_lock(&balloon_mutex); - return 0; + return rc ? -ENOMEM : 0; } } @@ -683,6 +685,12 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages) out_undo: mutex_unlock(&balloon_mutex); free_xenballooned_pages(pgno, pages); + /* + * NB: free_xenballooned_pages will only subtract pgno pages, but since + * target_unpopulated is incremented with nr_pages at the start we need + * to remove the remaining ones also, or accounting will be screwed. + */ + balloon_stats.target_unpopulated -= nr_pages - pgno; return ret; } EXPORT_SYMBOL(alloc_xenballooned_pages); diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 878a40950a3a..e4dd991e2888 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -155,7 +155,7 @@ int get_evtchn_to_irq(unsigned evtchn) /* Get info for IRQ */ struct irq_info *info_for_irq(unsigned irq) { - return irq_get_handler_data(irq); + return irq_get_chip_data(irq); } /* Constructors for packed IRQ information. */ @@ -384,7 +384,7 @@ static void xen_irq_init(unsigned irq) info->type = IRQT_UNBOUND; info->refcnt = -1; - irq_set_handler_data(irq, info); + irq_set_chip_data(irq, info); list_add_tail(&info->list, &xen_irq_list_head); } @@ -433,14 +433,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi) static void xen_free_irq(unsigned irq) { - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = irq_get_chip_data(irq); if (WARN_ON(!info)) return; list_del(&info->list); - irq_set_handler_data(irq, NULL); + irq_set_chip_data(irq, NULL); WARN_ON(info->refcnt > 0); @@ -610,7 +610,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi); static void __unbind_from_irq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = irq_get_chip_data(irq); if (info->refcnt > 0) { info->refcnt--; @@ -1114,7 +1114,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi, void unbind_from_irqhandler(unsigned int irq, void *dev_id) { - struct irq_info *info = irq_get_handler_data(irq); + struct irq_info *info = irq_get_chip_data(irq); if (WARN_ON(!info)) return; @@ -1148,7 +1148,7 @@ int evtchn_make_refcounted(unsigned int evtchn) if (irq == -1) return -ENOENT; - info = irq_get_handler_data(irq); + info = irq_get_chip_data(irq); if (!info) return -ENOENT; @@ -1176,7 +1176,7 @@ int evtchn_get(unsigned int evtchn) if (irq == -1) goto done; - info = irq_get_handler_data(irq); + info = irq_get_chip_data(irq); if (!info) goto done; diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c index 5f6b77ea34fb..128375ff80b8 100644 --- a/drivers/xen/preempt.c +++ b/drivers/xen/preempt.c @@ -31,7 +31,7 @@ EXPORT_SYMBOL_GPL(xen_in_preemptible_hcall); asmlinkage __visible void xen_maybe_preempt_hcall(void) { if (unlikely(__this_cpu_read(xen_in_preemptible_hcall) - && need_resched())) { + && need_resched() && !preempt_count())) { /* * Clear flag as we may be rescheduled on a different * cpu. diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 056da6ee1a35..266f446ba331 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -384,8 +384,14 @@ int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr, int i, j; for (i = 0; i < nr_pages; i++) { - err = gnttab_grant_foreign_access(dev->otherend_id, - virt_to_gfn(vaddr), 0); + unsigned long gfn; + + if (is_vmalloc_addr(vaddr)) + gfn = pfn_to_gfn(vmalloc_to_pfn(vaddr)); + else + gfn = virt_to_gfn(vaddr); + + err = gnttab_grant_foreign_access(dev->otherend_id, gfn, 0); if (err < 0) { xenbus_dev_fatal(dev, err, "granting access to ring page"); @@ -469,7 +475,14 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn); int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs, unsigned int nr_grefs, void **vaddr) { - return ring_ops->map(dev, gnt_refs, nr_grefs, vaddr); + int err; + + err = ring_ops->map(dev, gnt_refs, nr_grefs, vaddr); + /* Some hypervisors are buggy and can return 1. */ + if (err > 0) + err = GNTST_general_error; + + return err; } EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc); |